Avia 4055 - Cantilever upholstered leather chair with armrests.Avia - Armchairs with upholstered seat, back in metal with integrated elastic lumbar support fully upholstered.Back available in 2 heights.Structure fitting seat/back/arms in cast aluminum.Sled of 4 legs metal base with or without arms.Ideal for: conference rooms, meeting tables, guest office front desk.Optional: polished stainless steel armrests, polished back support, chrome base. Avia is studied for longtime seating giving a constant circulation of the bloodstream during use.