1. Short Beanie for Unisex: One size fits for most people with the head size of 21~23 inch(53~58cm), Works great for men, women, and teens of most sizes; Please kindly note that the watch hat is a kind of short beanie, it can't cover your ear after rolling up. 2. Material: Cotton (core spun yarn), stretchy fabric&soft-spun knitted; We use stretchable materials so that can adapt to various head shapes, featuring soft touch and giving you comfy wearing experience 3. Static & Odor Resistant: Core spun yarn has a natural ability to retain moisture resulting in static resistance. No more painful static shocks during the cold, dry winter months! It also has great heat collection performance that can maximum heat retention,long-lasting and warmest winter hat. 4. Wide Application Skull Beanie: Great suit for Spring & Fall & Winter; Excellent choice for your daily wear or gift for your friends and family, especially in the Halloween or Christmas Day! Great for outdoor sports like snowboarding, running,skating, biking, snowshoeing, skiing, hiking or any outdoor activities& travel .