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BOSS Black Posture Chair (B305)
- The Deluxe Posture Chair is upholstered in Black LeatherPlus (leather and polyurethane), for added softness and durability
- It has thick padded seat and back with built in lumbar support for extra comfort. It has an adjustable back depth that can be easily customized for your personal needs
- The pneumatic adjustable gas lift allows for easy seat height adjustment, to help you find the personalized sitting style that suits you and your work environment
- The five star nylon base allows for smooth movement and stability
- The hooded double wheel casters make it easy to move and shift directions
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Overview
Specs
Reviews
Add comfort to your daily work with the BOSS Office B305 Task Chair. It features super-soft LeatherPlus upholstery, and boasts a cushioned backrest with built-in lumbar support, and an extra thick seat with waterfall-edge design, giving you the ultimate comfort you’d expect. Quickly find the perfect sitting position by adjusting the seat height and back depth. Easily move the chair around your work area with the hooded double wheel casters – no need to get up.
Superb comfortThis task chair is beautifully upholstered in LeatherPlus, which is leather that has been infused with polyurethane for added softness and durability. Its backrest is well padded, and has built-in lumbar support, helping relieve back strain. The extra thick seat features a waterfall-edge design to reduce stress on your legs. You’ll never feel discomfort, even after a long period of working.
Adjustable seat and back depthThe pneumatic gas lift allows you to adjust the seat height for maximum comfort. The back depth is also adjustable. These features mean you can always work in a personalized, optimized position.
Move around easilyThe solid five-star nylon base with hooded double wheel casters enables you to move around smoothly and steadily.
Warranty & Returns
Warranty, Returns, And Additional Information
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-800-593-1888
- Support Email: info@bosschair.com
- Support Website
- View other products from BOSS Office Products
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The BOSS Black Posture Chair (B305) is an armless task chair with a thick padded seat, built-in lumbar support, black LeatherPlus upholstery, and pneumatic seat-height adjustment, suited to desk work for users seeking cushioned back support and a simple adjustable chair.
Recommended For
- People doing desk or computer tasks who want a padded task chair with built-in lumbar support, pneumatic seat-height adjustment, and wheels for moving around their workspace.
- Crafters or people using a keyboard at a desk who prefer an armless chair that can leave their arms unobstructed; B305 users have described using it for sewing, crafts, and keyboard playing.
- People furnishing a compact home-office or computer-desk area who want a rolling chair with a padded seat and back rather than a bulky executive-style chair.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Armless adult seating for office or study rooms, with adjustable seat height and swivel movement |
| Upholstery And Design | Black LeatherPlus upholstery with a solid back and armless design |
| Seat And Back | Foam-filled, padded seat with a 16.5-inch depth and length; includes lumbar support and a waterfall seat |
| Height Adjustment And Movement | Pneumatic gas lift provides adjustable seat height, with a listed minimum of 19 inches; swivel movement |
| Base And Casters | 25-inch nylon five-star base with 2-inch dual-wheel nylon casters |
| Capacity And Care | Supports up to 275 pounds; wipe-clean care |
| Assembly | Assembly required; instructions included |
| Model Identifiers | BOSS Office Products B305 Posture Chair |













Superb comfortThis task chair is beautifully upholstered in LeatherPlus, which is leather that has been infused with polyurethane for added softness and durability. Its backrest is well padded, and has built-in lumbar support, helping relieve back strain. The extra thick seat features a waterfall-edge design to reduce stress on your legs. You’ll never feel discomfort, even after a long period of working.
Adjustable seat and back depthThe pneumatic gas lift allows you to adjust the seat height for maximum comfort. The back depth is also adjustable. These features mean you can always work in a personalized, optimized position.
Move around easilyThe solid five-star nylon base with hooded double wheel casters enables you to move around smoothly and steadily.