Zone3 Neoprene Swim CapAnyone who has experienced brain-freeze when swimming in cold water will know how valuable triathlon skull caps can be to get you going! This premium Neoprene Skull Cap provides warmth while maintaining good hydrodynamics through the water.Key Features: Velcro strap under chin. High quality 4mm Yamamoto Smoothskin material. High-Vis option available. Part of a neoprene accessory range designed for year round training.Key Benefits: Accommodates a wide variety of head sizes. Increased comfort and warmth. Low drag hydrodynamic design.NA18UNSC108SColour:Black/Red