Neoprene swimming cap for triathlon and swimming BUNI, 3mm Overview Reviews 4 Neoprene triathlon helmet BUNI silver, 3mm thick. Инд. пошив (S) 52-54 (M) 56-58 (L) 60-62 In stock In stock Out of stock Out of stock $34.07 ADD TO CART Check stock Helmet for swimming in cold water, from 5 - 20 degrees. Protects the head and ears from hypothermia. Gives extra buoyancy. Securely fixed, and will not unfasten during the swim