Looking for the ultimate in office seating comfort? Sitag Sitag Xilium DuoBack swivel chairs are the perfect solution for anyone who works at a desk all day. Designed with ergonomics in mind, the Xilium DuoBack features outstanding comfort and support. We have two shoulder blades. We have two sides of the loin. Yet office chairs always have only one backrest. Even though we don't always move our shoulders, back and loin the same way on both sides. This is considered ergonomic. But does it make sense? No - Sitag thinks so, and with the Xilium DuoBack with armrests it has an innovative answer to tense shoulders, tired spines and stiff lumbars on offer. The unique, innovative DuoBack backrest consists of two parts and follows absolutely every movement of your back perfectly. Full support - no matter how you move throughout a workday. This is ergonomics in action and takes care of you skillfully and stylishly. Of course, the Xilium DuoBack desk chair also comes with the fourfold adjustment options for the seat and backrest. Thanks to the liftmatic comfort height adjustment, the advanced synchronous system and the integrated body weight adjustment via rotary knob (45-150kg), there is no such thing as sitting uncomfortably. For the durability of the chair stand the name Sitag, the durable materials and the precise workmanship. For the life of your floors are the standard supplied hard floor castors at the end of the plastic base. The Xilium DuoBack is Swissmade certified, which means you can rest assured that it is made of high-quality materials and designed for maximum comfort. The elegant design and modern lines give the chair a professional look, so it will easily fit into an office environment. Whether you work in an office, home office, or conference room, you can be sure that the Xilium DuoBack will provide you with the comfort and support you need to stay productive and focused.