The design philosophy of "supernormal" by Jasper Morrison is focused on meeting the needs and capabilities of a suitable for daily use and long lasting, resisting any formal extravagance ephemeral. The body of HAL, ergonomically molded plastic, ensures a high degree of comfort and encourages dynamic sitting, being totally flexible allowing you to take different positions. Hal is a fixed four-legged stackable chair with shell in polypropylene, dyed, legs in chromed steel or powder coated cream or basic dark.