Next generation lounge seating. For work, rest, play, and everything in between.
Design Features
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Supports deeper relaxation
Elevates the legs to enhance comfort and reduce strain during extended sitting. -
Minimalist modern design
A clean, sculptural form that blends naturally into high-end interiors. -
Luxury upholstery options
Available in premium materials, including leather selections for a designer finish. -
Integrated worksurface with power
Built-in surface and discreet power access create a functional lounge setup for working, reading, or device charging. -
Built for lasting performance
Crafted for durability and long-term comfort in residential and executive environments.
Specifications
Variant
SKU
DLC1FFSQ11SQ11XPAN8C
Warranty
15 Years; Fabric/Cushions/Arm Pads/Casters/Wood: 5 Years
Dimensions
Width
21.4 in
Overall Height
35 in - 45 in
Seat Depth
21 in - 21 in
Seat Height
17.5 in - 17.5 in
Weight
Overall Weight
80 lb
Weight Capacity
400 lb
Ottoman Weight Capacity
300 lbs.
Materials & Sustainability
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Product Materials
Diffrient Lounge is constructed using die-cast aluminum, steel, engineered polymers, contoured seat cushion, and upholstery textile. Die-cast aluminum and steel form the structural frame and recline mechanism. Engineered polymers are used for components requiring flexibility and impact resistance.
Who It's For
Care, Maintenance & Longevity
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Upholstery
Care instructions vary depending on the selected upholstery. Vacuum regularly using a soft brush attachment to remove dust and prevent dirt from working into the fibers. For spills, act quickly — blot liquids with an absorbent cloth before they set. Stains should be removed by gently dabbing with a lint-free cloth or sponge dampened with clean, warm water. If necessary, add a small amount of mild dish soap, then finish by dabbing with clean water. Avoid rubbing, as this may damage the textile surface. For wool textiles, professional dry cleaning is recommended for anything beyond surface stains. For detailed care instructions by upholstery type, refer to the Humanscale Care Guide.
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Leather Upholstery
Leather is a natural material that develops character over time when properly cared for. Wipe regularly with a dry, soft cloth. For spills, act quickly and wipe clean — Elmosoft's semi-aniline surface is treated for durability and cleans easily. Avoid solvents, chemical cleaners, or household cleaning products. Keep away from direct sunlight and heat sources, which can cause fading or drying over time. For additional guidance, see the Humanscale Care Guide.
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Wood
Wipe with a soft, slightly damp cloth and dry immediately — do not allow moisture to sit on the surface. For marks, use a furniture-grade cleaner suited to wood. Avoid abrasive pads and prolonged direct sunlight, which can affect the finish over time.
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Frame, Base & Components
Clean metal and plastic components with a soft, damp cloth and mild soap if needed. Dry thoroughly.
Design By Niels Diffrient (1928–2013)
Niels Diffrient was a pioneering industrial designer known for his human-centered approach and belief that design should be intuitive and effortless. Often called “the last of the mid-century modernists,” he focused on simplicity, allowing form to follow function in its purest sense.
A Cranbrook Academy graduate alongside Charles and Ray Eames and Eero Saarinen, Diffrient went on to shape some of the most iconic products of the 20th century. His work at Henry Dreyfuss Associates helped define modern industrial design, while his research into human factors redefined how products support the body.
His partnership with Humanscale introduced a new standard in seating, creating designs that automatically adapt to the user. Diffrient’s legacy lives on in products that are simple, timeless, and designed to improve the human experience.
View Design Story