The World LM task chair ships UPS/FedEX/other Ground service. Three-part assembly required.
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Streamlined and supportive, the Humanscale World One Task Chair brings clean modern ergonomics to everyday workspaces. Its signature mesh back and intuitive performance create a lighter visual profile while still delivering the comfort and responsiveness expected from a full-function task chair.
This stocked program is available in five ready to ship color configurations, all with a mesh back. One option features a mesh seat, while the other four feature upholstered seats with molded foam in Corde 4 Black, Autumn Grey, Autumn Taupe, and Autumn Dark Taupe. These in stock models ship in 1 to 2 business days.
World One is designed to make ergonomic seating feel effortless. Its tri panel mesh back responds to the sitter for personalized lumbar support, while the chair’s weight sensitive recline encourages natural movement without the need for complicated manual controls. Adjustable Duron arms complete the experience with added upper body support throughout the day.
Tri panel Form Sensing mesh back for responsive support
Weight sensitive recline for intuitive comfort
Adjustable Duron arms
Minimal, modern profile suited to a range of interiors
Available with either mesh or upholstered seat construction
Humanscale treats sustainability as a core part of its identity, not simply a supporting message. The company approaches design with the idea that fewer parts, longer lasting materials, and simpler engineering can reduce waste while improving performance. This philosophy is reflected across its workplace products, which are developed to deliver long term value through durability, efficiency, and thoughtful material use.
Sustainability at Humanscale also extends into manufacturing and material selection. The company has worked to reduce waste, improve energy efficiency, and eliminate many chemicals of concern from its products and processes. Its focus on transparency and responsible sourcing helps support healthier interiors while giving designers and customers greater confidence in the environmental standards behind the brand.
In addition, Humanscale has invested in circular thinking through initiatives that support product longevity, refurbishment, and reduced environmental impact over time. By combining human centered design with measurable sustainability efforts, the company has built a reputation for creating workplace solutions that are intended to support both personal wellbeing and broader environmental responsibility.
Designs products with fewer parts to reduce material use and simplify manufacturing
Focuses on long product lifespans to reduce replacement cycles and waste
Uses highly recyclable materials such as aluminum and steel in many products
Eliminates harmful chemicals including PFAS and PVC from many product lines
Publishes Declare labels and other transparency documentation for product materials
Maintains manufacturing facilities with high waste diversion rates and recycling programs
Achieves TRUE Zero Waste certification at select manufacturing sites
Monitors and works to reduce greenhouse gas emissions and energy consumption
Incorporates recycled materials such as reclaimed ocean plastics into certain products
Supports circular economy practices through product refurbishment and take back initiatives
Develops climate positive products designed to offset more carbon than they produce
Prioritizes responsible sourcing and environmentally conscious supply chain practices
Catena Mesh
Catena is Humanscale’s performance mesh designed specifically for ergonomic task seating. Unlike stretch mesh, Catena is a structured suspension material that supports the body without relying on foam cushioning. The mesh works with the chair’s back design to distribute pressure evenly while allowing airflow through the seating surface. The result is a responsive back support system that adapts naturally to movement while maintaining a clean, modern appearance.
Breathable mesh structure helps keep the sitter cooler during long work sessions
Provides flexible ergonomic support without bulky cushioning
Durable synthetic fiber construction designed for commercial seating use
Maintains its shape well over time compared to many stretch mesh materials
Clean, modern aesthetic that feels visually lighter than upholstered seating
Pros
Excellent airflow for warmer environments or long sitting periods
Responsive support that moves naturally with the user
Low maintenance surface that resists dust buildup compared to fabric
Sleek appearance suited to contemporary office environments
Cons
Less cushioning compared to foam upholstered seats
May feel firmer to users who prefer a plush sitting experience
Autumn Fabric
Autumn is a woven upholstery fabric made from 100 percent recycled polyester yarns derived from post consumer plastic bottles. Developed by Kvadrat, the textile uses a layered weave construction that combines a darker base layer with melange fiber dyed yarns. This structure creates subtle visual depth and a soft textile feel while maintaining durability for commercial seating environments.
Soft woven texture provides a more traditional upholstered seating feel
Made from 100 percent recycled polyester fibers
Durable, yet soft commercial grade upholstery suitable for daily office use
Melange weave creates depth and rich neutral color tones
Available in several neutral colors suited to professional interiors
Pros
More cushioned and comfortable feel compared to mesh seating
Warmer and softer surface for extended sitting
Sustainable material made from recycled plastics
50,000 Martindale abrasion test rating is 2x standard commercial grade durability
Cons
Less airflow compared to mesh seating surfaces
Cleaned with solvent or dry cleaning methods
Slightly warmer seating surface during long sitting periods
Niels Diffrient
Niels Diffrient approached industrial design as a discipline grounded in human performance rather than mechanical complexity. Best known for redefining ergonomic seating, he challenged the idea that task chairs should rely on an array of manual adjustments, instead developing solutions that respond naturally to the sitter’s body. His work with Humanscale introduced weight sensitive recline and streamlined mechanisms that quietly adapt in use, setting a new standard for intuitive comfort in the workplace. Backed by rigorous study of human factors and anthropometrics, Diffrient designed with measurable precision while maintaining a refined, understated aesthetic. His influence remains evident in contemporary seating that prioritizes clarity of function, ease of use, and long term well being.
Humanscale is a global designer and manufacturer of ergonomic workplace solutions focused on improving comfort, health, and productivity. Founded in 1983 and headquartered in New York City, the company is known for pioneering office furniture and accessories that adapt naturally to the human body, including task seating, monitor arms, sit stand desks, and lighting. Humanscale emphasizes simple, high performance design with minimal adjustments, while also prioritizing sustainable materials and environmentally responsible manufacturing. Today, the brand is widely recognized for its human centered approach to workplace design and its commitment to creating products that support both user wellbeing and long term environmental impact.
The Humanscale World LM chair comes with a 12-year warranty on parts, and a 5-year warranty on arm pads and textiles, underscoring Humanscale’s commitment to durability and performance. If you've purchased your Humanscale through Hansen Interiors, please contact us for any additional warranty and claim information.
