Description from Artek
Designer: Alvar Aalto
Legs birch natural lacquered. Back birch bent plywood, natural lacquered.
Seat options: birch veneer, laminate, linoleum, upholstered with fabric or leather.
Legs, birch Low back, birch bent plywood
Legs, back and seat lacquered: in white, grey, black or red
Upholstered: with fabric or leather