Hyperflex Unisex AMP 3MM HOOD PERFECT FIT: Constructed with 100% Neoprene for lightweight comfort and stretch fit. MULTI SPORT USE: Designed for surfing, paddling, watercraft and many more water and action sports. FLEXIBILITY: AMP stretch neoprene under layer provides flexibility and comfort for surfers and water sport athletes THERMAL: Lined with a thermal interior and chill blocker mesh skin exterior to provide extra warmth for all climates. DURABLE: Designed with glued and blind stitched sealed seams for extra reliability.