This wetsuit cap provides additional warmth without having to step up to a hooded suit. Built from stretchy 3mm 85% Yulex® natural rubber/15% synthetic rubber by polymer content. Best for water temperatures 50°–60° F/10°–16° C. Made in a Fair Trade Certified™ factory. The Regulator® 3mm Cap is fully backed by our Ironclad Guarantee and you can find it on Patagonia.com. | Patagonia Regulator® 3mm Surf Cap in Black, Large