Humanscale Trea Chair styled in a workspace, B Corp climate-positive office design
Humanscale Trea Chair styled in a workspace, B Corp climate-positive office design
Humanscale Trea Chair styled in a workspace, B Corp climate-positive office design
Humanscale Trea Chair styled in a workspace, B Corp climate-positive office design
Humanscale Trea Chair styled in a workspace, B Corp climate-positive office design
Humanscale Trea Chair styled in a workspace, B Corp climate-positive office design
Humanscale Trea Task Chair, B Corp climate-positive office design
Humanscale Trea Task Chair, B Corp climate-positive office design
Humanscale Trea Task Chair, B Corp climate-positive office design
Humanscale Trea Task Chair, B Corp climate-positive office design
Humanscale Trea Task Chair, B Corp climate-positive office design
Humanscale Trea Task Chair, B Corp climate-positive office design
Humanscale Trea Task Chair, B Corp climate-positive office design
Sustainability verified

Trea Task Chair

Humanscale
Sale price$939.00
Configuration: Lite / White Shell
In Stock Items ship within two weeks

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Trea Task Chair

Designed by Todd Bracher — twice nominated for International Designer of the Year — the Humanscale Trea is a lightweight chair built around a solid-state recline mechanism with zero moving parts. The contoured shell cradles the body through a 12-degree recline range, while a waterfall seat edge distributes pressure evenly to reduce fatigue during long meetings. At just 20 lbs, the Trea is Living Product Certified — meaning it gives back more to the environment than it takes — with a high percentage of recycled and recyclable content throughout.

Winner of the Red Dot "Best of the Best" award in 2015 and the 2025 iF Design Award in the Office category, the Trea proves that sustainability and award-winning design aren't mutually exclusive. The chair measures 22"W x 22"D x 31"H with a seat height of 18.3 inches and supports up to 300 lbs. Available in Trea Lite in all-white shell, and upholstered versions in Corde fabric. 

Humanscale +

Humanscale is a New York-based ergonomic design company pioneering sustainable workplace solutions since 1983. Founded by Robert King, the company designs task chairs, sit-stand desks, monitor arms, and lighting using principles of minimal environmental impact. Humanscale holds over 70 patents and has earned hundreds of global design awards. The company is committed to making every product climate, water, and energy positive — with Living Product Certified designs that give back more to the environment than they take.

Shipping & Returns +

Free shipping on orders over $1500. Ships within 2-4 weeks. 30-day return policy.

Country of Production +

United States

Dimensions +

22"W x 22"D x 31"H | Seat Height: 18.3" | Weight capacity: 300 lbs

Care Guide +

Wipe shell with a damp cloth. For upholstered versions, vacuum seat pad regularly and spot clean with mild soap. Avoid harsh chemicals on frame.

Humanscale

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Crafted with Care

From responsible materials to skilled hands - watch how quality is created

FDB Møbler: Danish Craftsmanship

See how timeless Danish design comes to life from raw FSC-certified wood to finished furniture.Highlighting the heritage of FDB Møbler, this video takes you inside the workshop where classic Danish modern pieces are produced with sustainable materials and meticulous attention to detail — rooted in a legacy of design since 1942.

Ethnicraft: The Journey of Solid Wood

From sustainable forests to finely crafted pieces — the making of Ethnicraft furniture.Discover Ethnicraft’s global production process as wood is selected, milled, and shaped across specialized workshops to create signature furniture that blends traditional woodworking with contemporary design.

Greenington: Bamboo Furniture

From forest to finished piece — the sustainable craft of Greenington bamboo furniture.This video showcases how Greenington uses responsibly harvested bamboo and certified eco-friendly processes to create durable, beautiful furniture while minimizing environmental impact.

Made to last chosen with intention.

Comosum's Ethos

At Comosum, we don’t just list any product; we meticulously curate them. Every piece at Comosum is selected for its quality, responsible materials, and long-term use in real homes. That means no throwaway items, no fast furniture, and no hidden shortcuts in craftsmanship. When you buy from us, you’re choosing pieces built to last, made by makers who stand behind their work so you can feel confident bringing them into your home.