The Cressi Ultra Stretch 1.5mm Neoprene Socks are great for use when wearing full foot fins in warm water or as layering under thick boots for added warmth in cold water applications. Socks are made from a thin 1.5mm neoprene stretch fabric and has glued and sewn seams for warmth, strength and durability. Created in extremely supple, 1.5mm thick, double-lined Ultraspan neoprene, these socks have non-slip and anti-wear soles and an Aquastop sealing single-lined neoprene at the top. They are perfect for all indoor and outdoor water sports thanks to the high protection and thermal function that they offer. They are ideal for long dives such as snorkeling, scuba diving or free diving, perfect with full foot pocket fins. Thanks to the non-slip soles are recommended for sailing, surfing, windsurfing and other water activities. Socks are black in color and available in multiple sizes.