Anyone who has experienced ‘brain-freeze’ when swimming in cold water will know how valuable triathlon skull caps can be to get you going! Our premium Neoprene Skull Cap provides warmth while maintaining good hydrodynamics through the water.We have found the biggest complaint from swimmers who use one-piece caps is that they can feel ‘tight’ under the chin and have no adjustability. Our design is focused on making this cap the best fit possible, with a Velcro strap under the chin to cater for different head sizes. Neoprene Swim Cap