The padded upholstery of HAL Soft provides superb comfort, with rounded contours that soften the appearance of the characteristic HAL shell.‎ The wooden base further enhances the warm and casual appeal of HAL Soft Wood.‎ The fabric cover can be removed and changed as needed.‎- Glides: colour matched to the small attachment parts for the seat shell, choice of white (except HAL Wood and HAL Ply Wood) or basic dark.‎ All bases fitted with glides for carpet; felt glides optionally available for hard floors.‎- Seat shell: glass-fibre reinforced polyamide.‎ Polyurethane foam padding, replaceable fabric cover (to be carried out by Vitra Service only).‎- Base: non-stackable wooden base in natural or dark oak.‎- Seat shell and base connection: die-cast aluminium, powder-coated finish.‎