Materials and Features: This mens beanie outer made with tight flip design, not like loose knit slouchy beanies or tight skull caps, it will blocks the outside cold and wind definately in winter. Soft fleece lining inside will lock-in heat, keeping your head and ear warm & comfortable. Double Layer and 2 In 1: These winter beanie hats can double-sided wearable to get 2 caps; The knitted side has a certain resistance to splashing water；The others side polyester fleece to keeps your head and ears feeling cozy in cold winter without the heavy bulk feeling on your skull. 3D Stereoscopic Tailoring: Due to unique 3d stereoscopic tailoring, so let our skull caps is snug-fitting and allows for dynamic motion,this performance beanie lies smooth against the head, It’s like a tailor-made; Hexagonal cap top design, tight textile without joints, long-term wear is not easy to deform. Perfect Fit: Due to unique construction, Our skull caps is snug-fitting and allows for dynamic motion, this performance beanie lies smooth against the head; You’ll be earning style points left and right with our iconic beanie; The soft and comfortable fabric will keep you warm while its sweat-wicking properties will help you stay dry and ready to take on the day even on the coldest winter days. Best Choice: A functional knitted beanie is everyone's winter must! First, it keeps you warm, and then it makes you adorable and stylish! Very suitable for indoor wearing occasions and outdoor activities, such as take on morning running, go skiing...wearing this knitted beanie prevents the chill and helps you go beyond the limit!