Upper made with premium Timberland® leather

Fabric: Body: 60% Polyester/40% cotton

Fully lined with Polartec recycled polyester micro fleece

Vibram® EcoStep is 30% recycled rubber

Removable liner – FXR Thermal Dry™ active liner with 175g Thermal Flex™ fill

Russian Otter Fur Hat Size:XL Upper made with premium Timberland®Completely fur covered for the ultimate warmth. Quilted lining and leather ties. Small 21 1 2" 21 7 8" Medium 22 1 4" 22 5 8" Large 23" 23 1 2" XL 23 7 8" 24 1 2" XXL 24 1 2" 25 7 8" Most accurate way to measure is to wrap a tape measure around the head, above the ears and meet in the middle of the forehead.