The Nitro Concepts S300EX combining optimum ergonomics with extravagant racing looks in bright colours. The chair is coated in a premium PU leather covering with improved durability thanks to stronger materials. Featuring a 3D armrests, adjustable rocking mechanism and backrest, comfortable and breathable cold foam upholstery, and two comfortable pillows. With such an extensive range of ergonomic options you are guaranteed to enjoy the perfect posture. Qualifies as an office chair under DIN EN 1335. The chair supports weights up to 135kg.