The best ergonomic office chair without arms trades armrests for desk clearance: slide under any desk and keep your elbows free. A drafting chair with a foot ring, a lumbar task chair, or a breathable mesh armless chair: each fits a different desk. We compared four armless chairs by adjustments, support, materials and warranty, using only what each listing publishes.
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Quick picks
Best Overall Boss B305: MAS Certified Green, lumbar, 6-year warranty Check price on Amazon
Best Drafting Boss B1615-BK: Drafting height, foot ring, 275-lb capacity Check price on Amazon
Best Task BOSS B315-BY: Lumbar support, depth-adjustable back Check price on Amazon
Best Mesh KIZECK KZ940-16: Breathable mesh, Y-shaped lumbar, 11 lb Check price on Amazon
The picks
| # | Product | Office Score | Buy |
|---|---|---|---|
| 1 | Boss B305 | 9.6/10 | Buy on Amazon |
| 2 | Boss B1615-BK | 9.4/10 | Buy on Amazon |
| 3 | BOSS B315-BY | 9.4/10 | Buy on Amazon |
| 4 | KIZECK KZ940-16 | 9.4/10 | Buy on Amazon |
Pros
- MAS Certified Green for low VOC emissions
- Adjustable back depth and pneumatic gas lift
- Waterfall seat with built-in lumbar support
- 6-year limited warranty is stated
Cons
- Low-back, no upper back support
- 275 lb capacity, same as the others
- No quality standard is stated beyond MAS
- LeatherPlus rather than leather
Detailed Review
Boss lists the B305 as a low-back posture task chair without arms in LeatherPlus, with adjustable back depth, a pneumatic gas lift, a waterfall seat and built-in lumbar support. It holds 275 lb and is MAS Certified Green. The listing states a 6-year limited warranty.
Who it's for: someone who wants a certified chair with a long warranty. Who should skip it: anyone who wants a high back.
Its Office Score of 9.6/10 comes from performance 32/35, build 20/25, value 21/25, safety 3/10 and warranty 5/5: 81 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Back | Low-back |
|---|---|
| Seat | 19-24 in |
| Capacity | 275 lb |
| Warranty | 6 years |
Figures as published on the retailer listing, collected 18 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. MAS Certified Green, so safety scores 3 of 10. 6-year limited warranty, so warranty scores 5 of 5. See How We Pick.
Fit and capacity. Check the stated seat height range against your desk height and the stated weight capacity against the heaviest user. Tighten bolts after the first week. Adjustments are comfort features, not treatment for pain; ask a clinician about any condition.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
Pros
- Drafting height: 25.5 to 30.5 in seat
- 20 in chrome foot ring
- 275-lb weight capacity
- Tweed upholstery
Cons
- No warranty term is stated
- No lumbar support is stated
- Drafting height only
- No quality standard is stated
Detailed Review
Boss lists the B1615-BK as a mid-back ergonomic drafting chair without arms in black tweed, with a 4 in vertical height range (25.5 to 30.5 in), a 20 in chrome foot ring and a 275-lb weight capacity.
Who it's for: someone who sits at a drafting-height desk. Who should skip it: anyone who wants a low chair.
Its Office Score of 9.4/10 comes from performance 30/35, build 19/25, value 20/25, safety 0/10 and warranty 0/5: 69 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Back | Mid-back |
|---|---|
| Seat | 25.5-30.5 in |
| Capacity | 275 lb |
| Feature | Foot ring |
Figures as published on the retailer listing, collected 18 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. This product does not plug in or run on a battery, so safety is not part of its score. No warranty term, so warranty scores zero. See How We Pick.
Fit and capacity. Check the stated seat height range against your desk height and the stated weight capacity against the heaviest user. Tighten bolts after the first week. Adjustments are comfort features, not treatment for pain; ask a clinician about any condition.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
Pros
- Thick padded seat and back
- Built-in lumbar support
- Depth-adjustable back
- 275-lb weight capacity
Cons
- No warranty term is stated
- Burgundy only
- No quality standard is stated
- 18 lb, mid weight
Detailed Review
BOSS lists the B315-BY as a fabric task chair without arms in burgundy, with a thick padded seat and back, built-in lumbar support, a waterfall seat and a depth-adjustable back. It holds 275 lb and weighs 18 lb.
Who it's for: someone who wants a padded armless task chair. Who should skip it: anyone who wants a warranty term.
Its Office Score of 9.4/10 comes from performance 30/35, build 19/25, value 20/25, safety 0/10 and warranty 0/5: 69 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Back | Mid-back |
|---|---|
| Seat | 18.5 in |
| Capacity | 275 lb |
| Weight | 18 lb |
Figures as published on the retailer listing, collected 18 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. This product does not plug in or run on a battery, so safety is not part of its score. No warranty term, so warranty scores zero. See How We Pick.
Fit and capacity. Check the stated seat height range against your desk height and the stated weight capacity against the heaviest user. Tighten bolts after the first week. Adjustments are comfort features, not treatment for pain; ask a clinician about any condition.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
Pros
- Breathable mesh back and seat
- Y-shaped lumbar support
- Seat-to-floor height 17 to 21.7 in
- 11 lb, the lowest weight here
Cons
- No warranty term is stated
- No weight capacity is stated
- No quality standard is stated
- Black only
Detailed Review
KIZECK lists the KZ940-16 as an armless office chair with a mesh back, a Y-shaped lumbar support and a C-shaped backrest, with a seat-to-floor height of 17 to 21.7 in. It weighs 11 lb. No warranty term is stated.
Who it's for: someone who wants a breathable mesh armless chair. Who should skip it: anyone who wants a stated capacity.
Its Office Score of 9.4/10 comes from performance 29/35, build 18/25, value 20/25, safety 0/10 and warranty 0/5: 67 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Back | Mesh mid-back |
|---|---|
| Seat | 17-21.7 in |
| Weight | 11 lb |
| Feature | Y-shaped lumbar |
Figures as published on the retailer listing, collected 18 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. This product does not plug in or run on a battery, so safety is not part of its score. No warranty term, so warranty scores zero. See How We Pick.
Fit and capacity. Check the stated seat height range against your desk height and the stated weight capacity against the heaviest user. Tighten bolts after the first week. Adjustments are comfort features, not treatment for pain; ask a clinician about any condition.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
As an Amazon Associate I earn from qualifying purchases.
More picks to compare
Boss Office Products Leather AdjustableCheck on Amazon
KIZECK Swivel Armless Office Desk Chair NoCheck on Amazon
Compare the picks
| Chair | Office Score | Back | Seat Height | Capacity | Warranty | Amazon |
|---|---|---|---|---|---|---|
| Boss B305 | 9.6/10 | Low-back | 19-24 in | 275 lb | 6 years | View on Amazon |
| Boss B1615-BK | 9.4/10 | Mid-back | 25.5-30.5 in | 275 lb | Not stated | View on Amazon |
| BOSS B315-BY | 9.4/10 | Mid-back | 18.5 in | 275 lb | Not stated | View on Amazon |
| KIZECK KZ940-16 | 9.4/10 | Mesh mid-back | 17-21.7 in | Not stated | Not stated | View on Amazon |
Specifications are manufacturer rated as listed, collected 18 October 2026.
How we scored them
The Office Score weighs performance (adjustments, support and capacity), build (materials and weight), value for the stated specs, safety and warranty. Only the Boss B305 states a warranty: 6 years; it is also MAS Certified Green for low VOC emissions. How we pick explains the weights.
| Product | Office Score | Perf. /35 | Build /25 | Value /25 | Safety /10 | Warranty /5 |
|---|---|---|---|---|---|---|
| Boss B305 | 9.6 | 32 | 20 | 21 | 3 | 5 |
| Boss B1615-BK | 9.4 | 30 | 19 | 20 | 0 | 0 |
| BOSS B315-BY | 9.4 | 30 | 19 | 20 | 0 | 0 |
| KIZECK KZ940-16 | 9.4 | 29 | 18 | 20 | 0 | 0 |
Scores run from 9.2 to 9.8: each product’s point total is placed on that range, so more points always means a higher score.
How to choose the best ergonomic office chair without arms
Drafting or task height
The B1615-BK is a drafting chair with a 25.5 to 30.5 in seat height and a 20 in foot ring. The B305 has a 19 to 24 in seat. The B315-BY sits at 18.5 in. The KIZECK seat goes 17 to 21.7 in.
Back support
| Chair | Back | Lumbar | Material |
|---|---|---|---|
| B305 | Low-back | Built-in | LeatherPlus |
| B1615-BK | Mid-back | Not stated | Tweed |
| B315-BY | Mid-back | Built-in | Fabric |
| KIZECK | Mesh mid-back | Y-shaped | Mesh |
For high desks, see best ergonomic office chair for high desk. For multi-position sitting, see best office chair for multiple positions.
Weight capacity
The three Boss chairs hold 275 lb; the KIZECK states none.
Warranty
The B305 states a 6-year limited warranty. The others state no term.
Setup Notes
- The B1615-BK ships ready to assemble with a manual.
- The B305 is MAS Certified Green for low VOC emissions.
- The B315-BY is available in four fabric colors.
- The KIZECK assembles for stability, per the listing.
- All four have armless designs that slide under desks.
Frequently Asked Questions
Which is a drafting chair?
The Boss B1615-BK: 25.5 to 30.5 in seat with a foot ring.
Which have lumbar support?
The B305, B315-BY and KIZECK (Y-shaped).
Which state a warranty?
The B305: 6 years. The others state no term.
Which is the lowest in weight?
The KIZECK: 11 lb.
Related guides
See every office chairs guide and all seating guides.
More picks: best ergonomic office chair for high desk, best office chair for multiple positions, best office chair for over 6 feet person.
