Executive chair “ICE”: self-braking casters ø 50 mm; 5 star die-cast aluminum base, polished; adjustable in height by means of a gas spring; high-resistance double steel tube structure, chromed finish, chromed ABS caps; tilting mechanism lockable in working position, body-weight adjustment; seat and back with flexible mesh, black color, high resistance, allowing a better transpiration, category RP; chair as above described, but with tilting mechanism lockable in 5 positions, body-weight adjustment and anti-shock system.