Cap by Poler, Cotton twill, Domed top, Flat peak, Applique front, Adjustable strap, Do not wash, 100% Cotton. ABOUT POLER With roamers and seekers in mind, Poler Outdoor Stuff steps up your outdoor game with its functional accessories. Pack all your essentials into its duffel bags and backpacks, or top your next trip with a snapback cap or beanie.