Sufficient quantity with various colors: the package contains 4 pieces skull hats in 4 different colors including black, gray, army green and navy blue, adequate quantity and diverse colors to meet your wearing needs and match with your clothes in various styles Soft and comfy fabric: made from quality cotton material, these men skull caps are smooth to touch, lightweight to wear, providing you with a sense of comfortable feeling; The material is also breathable and moisture-wicking that it can absorb sweat to keep you dry and cool Cotton Hand Wash Only Fastening: Cap,Elasticity Beanie Stretch Multifunctional headwear: the cotton beanie cap can be applied as not only a skull cap, sleeping hat, but also a helmet liner, cycling cap, running cap and so on, great for both men and women; And this cozy cap can help relieve your fatigue after a long day at work, and organize your hair when doing something important Wide range of application: these soft helmet liner caps can be applied for many indoor or outdoor activities, such as dancing, fitness, climbing, riding, racing, motorcycling, daily walking, hiking, running and so on; They are soft and comfy, which is great for sleeping Good elasticity: the helmet cap with good elasticity can be stretched to fit most people, suitable for people with a head circumference of 20.5-23.5 inch; The depth of the cap is approx. 7 inch, which has plenty of room for holding long hair, making it convenient for people to exercise