Nouhaus Gaming Chairs: 9 Picks Ranked by Specs
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Finding the right nouhaus gaming chair depends on matching your build to published dimensions and materials. The brand offers high-back seating in mesh, faux leather, and leather, with sizes covering Ergo3D, oversized, and large frames. The Nouhaus Ergo3D Mesh Chair with 4D Armrests takes the top spot because it combines full-body mesh breathability with 4D armrest adjustment and a 330-pound weight capacity.
This guide compares 9 models based strictly on the specifications published on their product listings. You can evaluate dimensions, adjustability ranges, and frame capacities directly to choose the right fit for your desk.
Quick picks
Our 9 picks
Nouhaus Ergo3D Mesh Chair with 4D Armrests
Best for: breathable support with 4D armrest adjustment
- Upholstery Material
- Mesh
- Lumbar Support
- 3D
- Armrest Adjustability
- 4D
- Weight Capacity
- 330 lbs
- Headrest Type
- Adjustable
- Safety Certifications
- BIFMA
The Nouhaus Ergo3D is a high-back ergonomic mesh chair designed with an aluminum alloy base and a 330-pound weight capacity. You get full 4D adjustable armrests, 3D lumbar support, and a recline range reaching up to 135 degrees. It suits you if you need an all-mesh build with swappable dual casters and blade wheels for multi-directional adjustments during long desk sessions.
Pros
- 4D adjustable armrests and 3D lumbar support
- Aluminum alloy base supports up to 330 pounds
- 135-degree maximum backrest recline
- Includes standard dual casters and extra blade wheels
Cons
- Weighs 46.29 pounds, which adds effort during setup
- Assembly requires an eight-step process
Good fit if
- You need armrests that adjust in four dimensions.
- You want an all-mesh chair that reclines up to 135 degrees.
- You use hardwood floors and want included blade wheels.
Skip if
- You prefer a leather or padded upholstery finish over mesh.
- You need a lightweight chair under 40 pounds.
Verdict: Nouhaus Ergo3D Mesh Chair with 4D Armrests combines high-adjustability 4D armrests, full-body mesh, and a 330-pound capacity for versatile ergonomic seating. It provides broad recline and rolling options to handle extended work or gaming setups.
Nouhaus +Posture Faux Leather Chair
Best for: Faux leather fans needing flip-up armrests
- Upholstery Material
- 1.3mm PU leather
- Lumbar Support
- 5-Stages (Click5)
- Armrest Adjustability
- FlipAdjust
- Weight Capacity
- 330 lbs
- Seat Cushion Type
- High elastic molded foam
- Features
- Lumbar Support
The Nouhaus +Posture is an executive-style desk chair upholstered in 1.3 mm PU faux leather. It features a five-stage Click5 lumbar mechanism, a class-4 gas lift with an 18.7-to-22.9-inch seat height range, and a 330-pound weight capacity. Flip-up padded armrests allow you to convert it into an armless seating solution quickly. It suits you if you want synthetic leather durability and adjustable lower-back support without complex multi-axis arm controls.
Pros
- 330-pound maximum weight capacity supported by a class-4 gas lift
- Five-stage Click5 adjustable lumbar support system
- FlipAdjust padded armrests swing up for armless use
- 1.3 mm PU faux leather upholstery over molded foam
Cons
- Armrests only flip up and lack 3D or 4D directional adjustments
- Total height is fixed at 43.3 inches without an adjustable headrest
Good fit if
- You prefer wipe-clean faux leather upholstery over mesh.
- You need armrests that fold up to push the chair flush under a desk.
- You want stepped dial-in lumbar adjustment across five distinct settings.
Skip if
- You need multidirectional armrest adjustments such as depth or angle.
- You prefer a breathable mesh back for thermal management.
Verdict: Nouhaus +Posture Faux Leather Chair pairs five-level lumbar positioning with flip-up arms and a 330-pound limit. It delivers solid mechanical adjustability for setups requiring easy-to-clean synthetic upholstery.
Nouhaus Oversized Leather Office Chair
Best for: leather chair shoppers wanting flip-up armrests
- Upholstery Material
- Leather
- Lumbar Support
- 5-level adjustable
- Armrest Adjustability
- Flip-up
- Safety Certifications
- BIFMA
- Features
- Lumbar Support
- Back Style
- High Back
This high-back chair from Nouhaus pairs a leather finish with a 5-level adjustable lumbar system and flip-up armrests. It measures 26.77 inches wide, supports a 135-degree recline, and includes five body support zones across the head, back, lumbar, hips, and hands. If you need an oversized seat with flexible arm positioning for close desk work, this setup gives you padded support and five-year part coverage.
Pros
- 5-level adjustable lumbar support system
- Reclining backrest tilts up to 135 degrees
- Flip-up armrests fold away for space saving
- Certified by BIFMA for safety and durability
- Backed by a 5-year part replacement warranty
Cons
- Armrests flip up but lack 3D or 4D directional adjustments
- Head support is integrated rather than independently adjustable
- Color choices are limited to White and Taupe
Good fit if
- You want flip-up armrests to push your seat close to your desk.
- You prefer leather upholstery over all-mesh seating.
- You need dedicated 5-level mechanical lumbar adjustment.
Skip if
- You require multi-directional 3D or 4D arm pads.
- You want an independently adjustable separate headrest.
- You prefer mesh fabric over leather upholstery.
Verdict: Nouhaus Oversized Leather Office Chair delivers leather comfort and flip-up arm utility, backed by a 5-level lumbar mechanism and a 135-degree recline. It gives you flexible clearance at your desk while maintaining structured high-back support.
Nouhaus Fluido Ergonomic Mesh Chair
Best for: customizable backrest height and 3D arm positioning
- Upholstery Material
- Breathable mesh
- Lumbar Support
- Adjustable
- Armrest Adjustability
- 3D
- Headrest Type
- Adjustable
- Seat Cushion Type
- High-density sponge
- Features
- Lumbar Support
The Nouhaus Fluido Ergonomic Mesh Chair is an adjustable task chair built for office work and gaming. You get a five-level height-adjustable backrest paired with dual side springs for spinal alignment. The chair features three-dimensional armrests that shift up and down by 2.36 inches and rotate thirty degrees. It suits you if you need moderate recline between 104 and 124 degrees, customizable lumbar support, and breathable mesh for extended desk sessions.
Pros
- Five-level height-adjustable backrest with dual side springs
- 3D armrests adjust 2.36 inches vertically and rotate 30 degrees
- Adjustable headrest and dedicated lumbar support
- Three-stage recline spanning 104 to 124 degrees with tilt lock
Cons
- Recline angle tops out at 124 degrees
- Uses a Class-3 gas lift rather than Class-4
- Armrests lack width adjustment
Good fit if
- You want a backrest that shifts vertically across five preset levels.
- You need 3D armrests that rotate 30 degrees and slide forward or backward.
- You prefer a breathable mesh back combined with a high-density sponge seat.
Skip if
- You want a deep recline beyond 124 degrees for resting.
- You require fully four-dimensional armrests with width adjustment.
Verdict: Nouhaus Fluido Ergonomic Mesh Chair provides precise back height settings and versatile 3D armrests for everyday desk tasks. It gives you targeted spine alignment without excessive recline depth.
Nouhaus Strato Adjustable Back Mesh Chair
Best for: users wanting 10-level backrest height adjustment
- Upholstery Material
- Mesh
- Armrest Adjustability
- 3D
- Weight Capacity
- 330 lbs
- Headrest Type
- Height-adjustable
- Seat Cushion Type
- High-density cushion
- Color
- Grey
The Nouhaus Strato is an ergonomic task chair built around a 10-level height-adjustable backrest that aligns directly with your spine. You get a 330-pound weight capacity, a breathable mesh back, a high-density seat cushion, and a height-adjustable headrest. Recline locks into three angles at 108, 118, and 128 degrees. It suits you if you need tailored vertical back positioning and 3D arm movement.
Pros
- 10-level height-adjustable backrest replaces fixed lumbar pads
- 330-pound weight capacity using a Class 3 gas lift
- 3D armrests adjust up/down, forward/backward, and rotate 30 degrees
- Three-position tilt lock at 108, 118, and 128 degrees
Cons
- Recline is limited to three preset angles rather than free-lock tilt
- Armrests lack the width adjustment found on 4D arm models
Good fit if
- You want to adjust backrest height across 10 preset positions.
- You fall within the specified height range of 4.9 to 6.07 feet.
- You need 3D armrests with depth, height, and angle rotation.
Skip if
- You are taller than 6.07 feet.
- You require infinite recline angle locking rather than three stops.
Verdict: Nouhaus Strato Adjustable Back Mesh Chair provides practical adjustability through its 10-tier backrest height mechanism and three-position recline. It serves desk setups well for users between 4.9 and 6.07 feet weighing up to 330 pounds.
Nouhaus Apertura Mesh Chair with 3D Arms
Best for: adaptive back support on a budget
- Upholstery Material
- Mesh
- Armrest Adjustability
- 3D
- Weight Capacity
- 330 lbs
- Headrest Type
- Adjustable
- Color
- Grey
- Dimensions
- 28.9 × 28.9 × 45.5 inches
The Nouhaus Apertura is an ergonomic mesh task chair built for your desk setup. It features a 330-pound weight capacity, three-dimensional armrest adjustments, and a height-adjustable headrest. A dynamic spring backrest flexes as you shift postures, while the 28.94-inch footprint fits standard office zones. This chair suits you if you need multi-directional arm support and essential neck alignment during work or gaming sessions.
Pros
- Supports up to 330 lbs with durable gas lift
- 3D armrests adjust height, depth, and angle
- Dynamic spring-supported backrest moves with posture
- Headrest adjusts vertically for neck alignment
Cons
- No 4D armrest width adjustment listed
- No separate manual lumbar depth control
Good fit if
- You want 3D armrests that rotate and shift front-to-back.
- You need a chair supporting up to 330 lbs.
- You prefer an adjustable headrest for neck support.
Skip if
- You require 4D armrests with sideways width adjustment.
- You want independent manual lumbar dial controls.
Verdict: Nouhaus Apertura Mesh Chair with 3D Arms balances a 330-pound weight capacity with multi-directional armrests and adaptive back support. It delivers core ergonomic adjustments for your workspace without extra complexity.
Nouhaus Ergo3D Mesh Chair with 4D Arms
Best for: blue setups needing flexible 4D armrests
- Upholstery Material
- Mesh
- Lumbar Support
- Adjustable
- Armrest Adjustability
- 4D flip-up
- Weight Capacity
- 300 lbs
- Headrest Type
- Adjustable
- Safety Certifications
- BIFMA, SGS
The Nouhaus Ergo3D mesh chair provides full-body support using an all-mesh build and a double-back design. You get 4D flip-up armrests, an adjustable headrest, and a three-position tilt lock backed by an SGS-certified grade-4 gas cylinder rated for up to 300 pounds. It suits you if you want a supportive blue mesh task chair with flexible arm adjustments and breathable material for long desk sessions.
Pros
- 4D flip-up armrests
- 300-pound maximum load capacity with grade-4 cylinder
- Breathable double-back mesh construction
- Three-position tilt-lock mechanism
Cons
- Recline locks into only three preset positions
- Heavy frame at 53.57 pounds
Good fit if
- You want flip-up 4D armrests for tailored elbow support or extra clearance.
- You need a breathable mesh chair rated for up to 300 pounds.
- You prefer a double-back design with integrated lumbar support.
Skip if
- You want continuous recline locking rather than three fixed tilt stops.
- You need a lightweight chair that is easy to lift and transport.
Verdict: Nouhaus Ergo3D Mesh Chair with 4D Arms delivers durable double-back ergonomic support and versatile arm adjustments wrapped in a breathable blue mesh frame.
Nouhaus Ergo Morph Mesh Chair
Best for: customized seat depth and dynamic lumbar support
- Upholstery Material
- Breathable mesh
- Lumbar Support
- Dual-zone dynamic
- Armrest Adjustability
- 3D adjustable
- Weight Capacity
- 275 lbs
- Features
- Lumbar Support
- Color
- Grey
The Nouhaus Ergo Morph is a high-back breathable mesh chair designed to support your daily sitting posture. It features dynamic dual-zone lumbar support, a backrest that adjusts vertically by 1.77 inches, and a sliding seat depth adjustable up to 1.97 inches. With a 275-pound weight limit and four recline lock positions up to 110 degrees, it suits you if you need fine-tuned back and seat depth adjustments during long sessions.
Pros
- Seat depth adjusts up to 1.97 inches
- Backrest height adjusts vertically up to 1.77 inches
- Four recline lock positions at 90°, 96°, 103°, and 110°
- Dual-zone elastic lumbar support adjusts to movement
- Heavy-duty metal base rated for up to 275 lbs
Cons
- Maximum recline angle tops out at 110 degrees
- Weight capacity is limited to 275 pounds
- Requires assembly of hardware and components
Good fit if
- You need adjustable seat depth to match your leg length.
- You want an elastic lumbar system that moves with your posture.
- You prefer structured recline locks between 90 and 110 degrees.
Skip if
- You require a deep recline angle beyond 110 degrees.
- You weigh more than 275 pounds.
- You need armrests with full 360-degree or 4D rotation.
Verdict: Nouhaus Ergo Morph Mesh Chair delivers dedicated ergonomic adjustability with dynamic lumbar tracking and sliding seat depth. It fits your workspace if you prioritize breathable mesh and structured upright seating over deep recline angles.
Nouhaus Ergo Morph Dual Lumbar Mesh Chair
Best for: precise seat depth and lumbar posture alignment
- Upholstery Material
- Breathable mesh
- Lumbar Support
- Dual-zone dynamic
- Armrest Adjustability
- 3D adjustable
- Weight Capacity
- 275 lbs
- Features
- Lumbar Support
- Color
- Black
The Nouhaus Ergo Morph is a high-back mesh office chair built around adjustability. You get a seat depth range of 1.97 inches, backrest height tuning up to 1.77 inches, and a 4-position recline locking between 90 and 110 degrees. Dual-zone dynamic lumbar tension supports posture changes, while the metal base holds up to 275 pounds. It suits you if you need tailored back and seat alignment for extended sitting.
Pros
- Seat depth adjusts up to 1.97 inches
- Backrest height adjusts up to 1.77 inches
- Recline locks at 4 angles up to 110 degrees
- Heavy-duty metal base supports up to 275 pounds
Cons
- Maximum recline angle caps at 110 degrees
- Weight capacity limited to 275 pounds
- Armrests provide 3D adjustment rather than 4D
Good fit if
- You need independent seat depth and backrest height adjustments.
- You prefer a breathable mesh design with dynamic lumbar tension.
- You want lockable upright and slight recline angles up to 110 degrees.
Skip if
- You need a deep recline beyond 110 degrees for resting.
- You require a weight capacity exceeding 275 pounds.
Verdict: Nouhaus Ergo Morph Dual Lumbar Mesh Chair delivers precise posture tuning with adjustable seat depth and back height. Its 110-degree recline limit and 275-pound capacity suit disciplined desk work over deep lounging.
Specifications side by side
| Spec | Nouhaus Ergo3D Mesh Chair with 4D Armrests | Nouhaus +Posture Faux Leather Chair | Nouhaus Oversized Leather Office Chair | Nouhaus Fluido Ergonomic Mesh Chair | Nouhaus Strato Adjustable Back Mesh Chair | Nouhaus Apertura Mesh Chair with 3D Arms | Nouhaus Ergo3D Mesh Chair with 4D Arms | Nouhaus Ergo Morph Mesh Chair | Nouhaus Ergo Morph Dual Lumbar Mesh Chair |
|---|---|---|---|---|---|---|---|---|---|
| Upholstery Material | Mesh | 1.3mm PU leather | Leather | Breathable mesh | Mesh | Mesh | Mesh | Breathable mesh | Breathable mesh |
| Lumbar Support | 3D | 5-Stages (Click5) | 5-level adjustable | Adjustable | not specified | not specified | Adjustable | Dual-zone dynamic | Dual-zone dynamic |
| Armrest Adjustability | 4D | FlipAdjust | Flip-up | 3D | 3D | 3D | 4D flip-up | 3D adjustable | 3D adjustable |
| Weight Capacity | 330 lbs | 330 lbs | not specified | not specified | 330 lbs | 330 lbs | 300 lbs | 275 lbs | 275 lbs |
| Headrest Type | Adjustable | not specified | not specified | Adjustable | Height-adjustable | Adjustable | Adjustable | not specified | not specified |
| Seat Cushion Type | not specified | High elastic molded foam | not specified | High-density sponge | High-density cushion | not specified | not specified | not specified | not specified |
| Safety Certifications | BIFMA | not specified | BIFMA | not specified | not specified | not specified | BIFMA, SGS | not specified | not specified |
| Features | Lumbar Support, Headrest, Adjustable Arms | Lumbar Support | Lumbar Support | Lumbar Support | not specified | not specified | Lumbar Support | Lumbar Support | Lumbar Support |
| Back Style | High Back | not specified | High Back | not specified | not specified | not specified | not specified | not specified | not specified |
| Material | Mesh | Faux Leather | Leather | not specified | Mesh | not specified | Mesh | not specified | not specified |
| Color | Black | Taupe | White | Grey | Grey | Grey | Blue | Grey | Black |
| Dimensions | 28 × 27.2 × 49 inches | 27.6 × 26.8 × 43.3 inches | 27.6 × 26.8 × 43.3 inches | 28.9 × 28.9 × 46.1 inches | 28.9 × 28.9 × 48.4 inches | 28.9 × 28.9 × 45.5 inches | 27.2 × 28 × 40 inches | 28.7 × 28.7 × 48.2 inches | 28.7 × 28.7 × 48.2 inches |
| Weight | 46.3 pounds | 40.8 pounds | 40.8 pounds | 37.6 pounds | 37.5 pounds | 35.1 pounds | 53.6 pounds | 40.3 pounds | 40.3 pounds |
| Size | Ergo3D | Oversized | Oversized | 28.94 inches x 28.94 inches x 46.06 inches | 28.94" x 28.94" x 48.43"–54.33" | 28.94 inches x 28.94 inches x 45.47 inches | Ergo3D | Large | Large |
| Model | NHO-0001 | +Posture | Click5 | NHO-0024 | NHO-0025 | NHO-0026 | office chair | NHO-0023 | NHO-0023 |
The Nouhaus Lineup at a Glance
The 9 models divide primarily by upholstery material and armrest design. If you need flip-up armrests to slide close to your desk, consider the Nouhaus +Posture Faux Leather Chair or the Nouhaus Oversized Leather Office Chair. Both feature oversized 26.77-inch widths, five-level lumbar mechanisms, and leather or faux leather upholstery.
If you prioritize breathable airflow and multi-directional support, look at mesh options like the Nouhaus Ergo3D Mesh Chair with 4D Armrests and the Nouhaus Strato Adjustable Back Mesh Chair. These models provide three-position recline options, adjustable backrest heights, and 4D arm positioning to suit users who need precise mechanical alignment during long desk sessions.
Who the Nouhaus Range Suits
You find chair heights ranging from 40 inches on compact Ergo3D builds up to 54.33 inches on the Strato model. Widths span from 26.77 to 28.94 inches. Shapes vary between dual-back ergonomic mesh frames and curved oversized leather designs. Weight capacities range from 275 to 330 pounds, accommodating users between 4.9 and 6.07 feet.
Notable gaps exist across the lineup. You will find no integrated RGB lighting, built-in speakers, or footrests on any model. The lineup also omits low-back task profiles and heavy-duty options rated above 330 pounds.
How to Choose a Nouhaus Chair
-
Match Upholstery to Maintenance Needs
Select your upholstery based on daily maintenance and heat management. Mesh options provide open airflow across your back and seat, preventing heat buildup during long working sessions. Faux leather and leather surfaces offer smooth contact and simple wipe-down upkeep when spills happen. If you prefer synthetic upholstery that wipes clean quickly while retaining firm back support, choose the Nouhaus +Posture Faux Leather Chair. Compare the listed surface materials to confirm whether you require the breathability of woven mesh or the wipeable convenience of leather.
-
Select Armrest Adjustability for Clearance
Examine how the armrests move to match your desk clearance and typing habits. If you switch between typing, controller gaming, and reclining, multi-directional arms let you modify height, angle, and depth to support your elbows directly. The Nouhaus Ergo3D Mesh Chair with 4D Armrests offers four-dimensional positioning to keep forearms aligned with your desktop. If you instead prefer pushing your chair completely under a shallow desk, look for models with flip-up armrests that rotate out of your path entirely.
-
Compare Recline Angle Limits
Check the maximum recline angle before deciding on a model for your setup. If you prioritize strict task posture for typing or focused work, a chair with an upright tilt lock keeps your spine vertical throughout the day. The Nouhaus Ergo Morph Dual Lumbar Mesh Chair limits recline to 110 degrees to enforce structured seating. However, if you want room to lean back during breaks or casual viewing, look for models specified with a 135-degree recline angle instead.
-
Verify Weight and User Dimensions
Verify the published weight capacity and overall dimensions against your body build and room area. Most models in this lineup support up to 330 pounds, while certain specialized designs have a 275-pound limit. For broader clearance and height flexibility, the Nouhaus Strato Adjustable Back Mesh Chair accommodates users between 4.9 and 6.07 feet within a 28.94-inch width. Always review the maximum load rating and overall chair width so you ensure adequate frame support and room to maneuver.
-
Check Lumbar Adjustment Styles
Evaluate whether you need mechanical lumbar notches or self-adjusting lower back support. Fixed multi-level lumbar systems allow you to lock in specific tension depths for consistent resistance during the workday. If your posture shifts regularly and you want continuous contact without manual adjustments, look for responsive systems. The Nouhaus Ergo Morph Mesh Chair provides dynamic lumbar tracking that shifts with your lower spine alongside sliding seat depth adjustments. Compare these lumbar specifications to match how often you change sitting positions.
-
Evaluate Backrest Height Settings
Compare vertical backrest adjustments if you have a longer or shorter torso. While fixed high-back chairs offer steady total coverage, adjustable backrests allow you to slide the lumbar curve directly into the small of your back. The Nouhaus Fluido Ergonomic Mesh Chair features targeted back height settings to customize vertical spine support accurately. Checking the backrest adjustment range guarantees that the integrated curvature lines up with your natural spinal curve rather than sitting too high or too low.
Frequently asked questions
What is the weight capacity across Nouhaus chairs?
Most Nouhaus models support up to 330 pounds, while specific variants have a lower limit. Chairs like the Ergo3D, +Posture, Strato, and Apertura support up to 330 pounds. If you select the Ergo Morph Dual Lumbar Mesh Chair, the rated capacity is 275 pounds. Check your required support before choosing a specific frame.
Which Nouhaus chairs offer flip-up armrests?
You get flip-up armrests on the Nouhaus +Posture Faux Leather Chair and the Nouhaus Oversized Leather Office Chair. Both models feature an oversized footprint measuring 26.77 inches wide and 27.55 inches long. This armrest design allows you to lift the arms clear, letting you push the chair fully under lower desks or sit closer to your keyboard.
How does the Nouhaus Strato backrest adjust for height?
The Nouhaus Strato Adjustable Back Mesh Chair features a 10-tier backrest height mechanism. This adjustment changes the overall chair height from 48.43 inches up to 54.33 inches. The published specifications indicate this vertical range accommodates user heights between 4.9 and 6.07 feet. It also pairs with a three-position recline mechanism to support different working postures throughout the day.
What armrest adjustability do Nouhaus chairs provide?
Nouhaus chairs feature flip-up, 3D, or 4D armrests depending on the model. The Ergo3D models include 4D armrests for directional adjustment, while the Apertura and Fluido models use 3D armrests. If you prefer clearing the desk edge completely, the +Posture and Oversized Leather models provide flip-up arms instead of multi-directional movement. Choose the type matching your arm support needs.
Which Nouhaus chair has the lowest recline limit?
The Nouhaus Ergo Morph Dual Lumbar Mesh Chair features an upright recline limit of 110 degrees. This restricted angle keeps you seated in a disciplined posture rather than a deep lounge position. In contrast, the Nouhaus Oversized Leather Office Chair reclines up to 135 degrees. If your work requires strict vertical alignment, the Ergo Morph models suit that setup best.
How much do Nouhaus ergonomic chairs weigh?
Chair weights across the lineup range from 35.05 pounds up to 53.57 pounds. The Nouhaus Apertura Mesh Chair is the lightest option at 35.05 pounds, followed closely by the Strato at 37.48 pounds. The blue Nouhaus Ergo3D Mesh Chair is the heaviest model at 53.57 pounds, while the black Ergo3D weighs 46.29 pounds.
Which Nouhaus models offer seat depth adjustment?
You will find seat depth adjustment on the Nouhaus Ergo Morph Mesh Chair and Ergo Morph Dual Lumbar Mesh Chair. Both large-format chairs measure 28.74 inches wide and 28.74 inches long. Sliding seat depth allows you to position the front edge properly relative to the back of your knees, supporting proper leg clearance and upright spinal alignment.