Water-Resistant & Windproof: Hat outer shell is made of water repellent polyster fabric, easy to make rain and snow falls quickly, keep you dry and well protect you against the cold in extremely chilly days. Warm & Comfortable: Hat with fleece inner lining brings you cozy and warm feeling, lightweight, durable, and warm for fall and winter. Adjustable Fit: The back of the hat has adjustment elastic cord design,which can adjust the tightness according to the personal head circuference. Best fit for the head circumference: 55-60cm (21.6″-23.6″). Earflap Protection: The extended earflap design enables your ears to be fully covered and warmth in the cool fall and winter season. Perfect head gear for outdoor activities such as running, walking, bicycling, skiing, snowboarding, hiking.