100% Polyester Size ?C Ideal for 22 inches to 24 inches head circumference, adjustable chin strap that one size fits most teenager and adult. Material ?C The russian hat are made of 100% polyester surface and luxurious inner faux fur layer, lightweight, cozy and warm. Inner faux fur lined for all-day warmth ?C The hunting hat using fuzzy warm lining that maximizes the amount of warm air held inside the winter hat for all-day warmth and comfort. 2 Pcs removable windproof mask ?C The trooper trapper hat with 2 Pcs removable windproof mask that easy to change for cleaning. Multi-function winter hat for outdoor activities ?C The unisex winter hat with ear flaps, reflective stripe and windproof waterproof function, perfect for skiing, snowboarding, hiking, hunting, trapping & other outdoor activities in winter.