World LM
Description
The Humanscale World LM is a premium, minimalist ergonomic office chair engineered to deliver ultimate workplace comfort with absolute simplicity. Designed by legendary industrial pioneer Niels Diffrient, this lightweight mesh task chair is engineered to eliminate the clutter of traditional knobs, levers, and tension springs, utilizing the fundamental laws of physics and the sitter’s own body weight to deliver a flawless, self-adjusting recline. Its streamlined architecture integrates seamlessly into flexible corporate layouts, executive home offices, and collaborative spaces without compromising on high-performance engineering.
Brochure
JEB x Humanscale World LM Chair (Eng)Designers
Available in
Product Details
World LM combines timeless design with durable materials, ensuring lasting comfort and performance. It’s a chair made to move with you, for years to come.
Mechanism-Free Recline: Uses an advanced weight-activated system that automatically balances resistance against the user’s weight for smooth, effortless movement.

Form-Sensing Mesh Backrest: A specialized three-panel mesh design that instantly models itself to the individual pressure points and stature of the user’s back.

Synchronized Comfort: Height-adjustable armrests are anchored directly to the chair frame’s backrest, maintaining perfect ergonomic arm alignment across every angle of recline.

Sustainable Architectural Integrity: Built using fewer components to minimize maintenance, featuring extensive pre-consumer recycled content and a Red List Free material declaration.
Sustainability
The World LM is crafted with fewer parts than the standard task chair and its production blends eco-conscious materials with circular design principles to minimize environmental impact. Highlights include: Certified Eco-Leadership: BIFMA LEVEL® 3, SCS Indoor Advantage, and certified DECLARE® – LBC Red List Free ensure adherence to the highest environmental and health standards.
Circular Design:
- Made from 38% pre-consumer recycled content.
- 95% recyclable at the end of its lifecycle.
- World LM’s testing surpasses industry standards, greatly exceeding the limits of most other chairs. This makes for long-lasting comfort across years of heavy use.
- Cylinders are cleaner and more reliable than cheaper greased cylinders, sealing grease in the lower unit to protect both user and chair.
- Duron arm pads have a multi-layer design allowing for a softer cushion and a more durable cover.
- Lightweight design makes it exceptionally easy to assemble and relocate.
Warranty
World LM comes with a 12-year warranty for components and parts and a five-year warranty for fabric and cushions.
Designer Pack
Login
To access JEB’s designer library, please login to your account.
This will allow you to access our extensive collection of documents.