Vitra's Lobby chair structured principle consists of three individual upholstered sections connected by means of aluminium side sections. The Lobby Chairs were originally designed for the lobby at the Rockefeller Center in New York and in subsequent years various versions were produced, but they all have one thing in common: outstanding comfort. Two types of castor are avaialble depending on your floor type, H bracked (for carpet) and S braked (for hard floor) once your order is complete you will be asked to confirm which type you require. This Chair is available as chair with glides please