BIAL Unisex Winter Ear Flap Hat Trooper, Trapper, Hunting Hat Ushanka With Windproof Mask Best fit for 22"-24" head circumference, one size fits most Adjustable chin strap, With a Windproof Mask,Keep Face&Ears warm,Durable, wind and water-resistant nylon shell to keep you warm and dry Wears well for hunters, trappers or any outdoors men. Also good for sports like snowboarding and skiing. Is made of very soft and durable materialfully thicker fleece lining,better outer shell material,adjusted design to better fit USA head shape