Designed for cold-weather trail running, Patagonia's Winter Duckbill Cap has a water-resistant top, highly breathable fleece on the sides and flip-down earflaps, and a crushable brim for packable, on-demand warmth when you need it most. Made in a Fair Trade Certified factory.  Highly breathable crown and fleece materials fight chilly temps while managing moisture during high-output winter activities Crushable brim allows the hat to be easily stuffed into a pocket Adjustable closure strap allows for a finely tuned fit Ponytail pass-through for those with longer hair Flip-down fleece earflaps keep your ears toasty when things get really cold or can be flipped out of the way when things warm up Weight 69 g Materials Crown and bill: 1.6-oz 100% recycled polyester plain weave Contrast: 5.7-oz 100% recycled polyester fleece with hollow-core yarns Headband: 2.3-oz 100% recycled polyester double knit with miDori bioSoft for added wicking and softness, and HeiQ Pure odor control Brim: NetPlus 1