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Citterio designed Oson S model. Office swivel chair with an oval backrest consistent with EN 1335 / Seal of Ergonomic Approval. Synchronised mechanism with automatic basic setting for the backrest tension combined with synchronised forward tilt of the seat. Mechanism can be locked in any position with additional fine-tuning. With or without fixed basic dark armrests with soft polyurethane padding. Black leather covered armrest padding in the leather version. The standard version has a height-adjustable backrest and adjustable seat height and depth. Seat and backrest made of fibreglass-reinforced polyamide with CFC-free polyurethane foam upholstery.
Fabric covers in Ora (Trevira CS) or leather. Choice of basic dark backrest and armrest brackets and two base frame versions in either basic dark plastic ascending base or polished die-cast aluminium. With hard double castors in basic dark for carpets or soft castors for hard floors.
Oson CE & C models also available.
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