Features: Keep cool and sweat free during intense activities with this skull hat, designed as breathable helmet liners for cycling, running, and multi sport performances. Stretchy silk fabric with moisture wicking technology, these lightweight caps offer superior elasticity and ventilation to keep you comfortable in hot weather. Perfect for athletes, outdoor enthusiast, and daily commuters of all ages seeking odor resistant head protection under motorcycle helmets or safety gear. Ideal for mountain biking adventures, gym workouts, hiking, or as a sleep cap – enough for sports, travel, and everyday active lifestyles. Experience comfort with quick drying fabric that prevents sweat buildup around eyes and forehead, ensuring better performances during high intensity activities. Specifications: Component: Polyester Suggested head circumference: about.55-60cm/21.65-23.62in Color: 12 Option Quantity: 1 Pc Package Includes: 1x Skull Hat note: 1.Please allow 1-2cm errors due to manual measurement, note that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.