ORCA Men's S5 Sleeveless 100% Neoprene Imported Speed transition calf panels - guaranteed easy removal of the wetsuit and faster transition times Excellent buoyancy - supports you in your first open water experience with 5mm neoprene panels Great flexibility - high stretch SCS coated upper torso Yamamoto neoprene - performance-level durable Yamamoto neoprene provides excellent buoyancy, flexibility and thermal protection