The Outdoor Research Peruvian Fleece Hat is a classic Peruvian Hat that will protect your head with fleece earflaps. The Outdoor Research Peruvian Fleece Hat combines windproof, all-mountain protection with soft fleece insulation, and the chin cord keeps the earflaps down during a blizzard or tied overhead when the sun is shining. The Outdoor Research Peruvian Hat makes a warm companion for your head. A chin cord and ear flaps hold the WindStopper technical fleece snug against your head so you stay comfortable.Gore-Tex Infinium Windstopper 3-layer fabric protects in the cold.Earflap design prevents heat loss from your ears. Toasty fleece hat for warmth in frigid winter weather. Windproof Wicking Fixed Chin Cord Four-Panel Crown Construction Embroidered OR Logo GORE INFINIUM with WINDSTOPPER 3L 100% polyester microfleece. Casual Hiking 55 grams