Warm Lining: The fuzzy sherpa inner lining, extra warm and unbelievable smooth touch feelings, effective against cold weather and comfortable to wear Water Repellent: The outer layer of the hat is made of water-repellent nylon fabric, enabling rainwater and snow to slide off quickly, keep you cozy and dry during chilly weather Warm Earflaps & Chin Strap: The earflaps can be flipped up in milder weather, or flipped down to effectively protect your ears from the cold; The adjustable chin strap keeps the hat steady on windy days Reflective Details & Adjustable Size: Reflective details at the front of the brim for increased visibility from dusk to dawn; adjustable hook and loop on the back, fits most head size: 21.6"-23.2"(55-59cm) Ideal for Outdoor Adventures: Designed for men and women who love the great outdoors, these hats offer warmth and visibility during activities like dog walking, snow removal, cycling, hiking, camping trips, hunting, and fishing excursions The fuzzy sherpa inner lining, extra warm and unbelievable smooth touch feelings, effective against cold weather and comfortable to wear. The outer layer of the hat is made of water-repellent nylon fabric, enabling rainwater and snow to slide off quickly, keep you cozy and dry during chilly weather. The earflaps can be flipped up in milder weather, or flipped down to effectively protect your ears from the cold; The adjustable chin strap keeps the hat steady on windy days. Reflective details at the front of the brim for increased visibility from dusk to dawn; adjustable hook and loop on the back, fits most head size: 21.6"-23.2"(55-59cm).