The Drain cap from Dope is a super slick 3-layer cap with a dedicated waterproof membrane and eco-friendly PFAS-free DWR treatment. This cap features all of Dope's hat design heritage and all of our signature style. If you were looking for the perfect all-season cap to wear under your hood when the weather turns, then this is it. Wet-weather hikes or rainy city days, this cap doesn't care, it just works. Upgrade your hat game this season and keep that good hair day going a little longer.