The BiS lounge chair strips down the stereotypical armchair to its most essential elements. The three ways bent rear metal structure creates a “spring” that allows the backrest to give both lumbar and upper back support, moving with the back of the user.The top circle cushion can be adjusted in height to give either support to the head and neck or the upper back.All the pieces of the collection are handmade by artisans in the Milan area of Italy in respect of the local craftsmanship tradition.