Description World LM, the streamlined edition of the original World, offers the same groundbreaking tri-panel mesh backrest and weight-sensitive recline for effortless ergonomic support. With fewer parts and a focus on simplicity, and delivers exceptional comfort and performance without compromise—now with the added option of a sculpted foam seat upholstered in a select range of textiles. • All-mesh or upholstered design fits beautifully into any environment. • Inspired by clothing design, World LM’s tri-paneled Form Sensing Mesh back takes on the exact shape of the sitter’s back, as if it were made for them. • Lightweight construction makes it exceptionally easy to assemble and relocate. • World LM is backed by a 12 year warranty for parts and components, and a five year warranty for arm pads and textiles. ABOUT THE DESIGN Niels Diffrient designed Diffrient World to offer ease of use and effortless functionality. With weight-sensitive recline that adjusts automatically and armrests that are attached to the back of the chair so they move with the user for ergonomic comfort, Diffrient World provides custom comfort for every sitter. A high quality, affordable task chair with minimal parts, Diffrient World was built with longevity in mind and will look as good in ten years as it does today. Highlights Country of Manufacture: USA Tri-panel, non-stretch mesh constructions Provides appropriate support and automatic resistance Size adjustable to fit widest range of body sizes Frame-less front edge eliminates contact stress No Red List chemicals and free of common harmful chemical toxins such as chrome 6, PVC, formaldehyde BIFMA Level 3 certified, SCS Indoor Air Quality Gold certified TECH SPECS Chair Width: 25.75” Arms Base Size: 25” Seat Height Range: 15.6” – 20.75” Recline Range: 17° recline + 8° backrest tilt Chair Weight: 27 lbs arms Weight Capacity: up to 400 lbs Stackable: No Assembly Assembly Required Assembly Effort: 1 person + 10 minutes Sku Current selected SKU: WL11B1J10J10SH Reference ID "Humanscale World One Task Chair" (Stock ID 5170248810541) Product Warranty As provided by Humanscale: 7 year warranty (7 years component and 3 years on arms/pads/mesh warranty).