HUUB HUUB - Neoprene Skull Cap HUUB - Neoprene Skull Swim Cap The best cover and insulation for your coldest swims The HUUB Premium Neoprene Skull Swim Cap is a fully adjustable swim hat. It has an adjustable strap for extra comfort when swimming in open water... RRP: £39.99 Was: Now: £18.00 Choose Options