Doc's vented Pro Plugs with leash. Doc's Proplugs is the only earplug that protects the ears from surfer's ear by keeping a warm pocket of air in the canal & keeping cold water out without impeding hearing & balance. Anyone with severe narrowing of the ear canal can avoid frequent water blockage by wearing Proplugs, the earplug for sports professionals. Severe exostosis can be prevented from progressing by wearing proplugs & reinforcing consistent warmth by wearing hoods, hats & hair-ban...