【Cooling & Breathable Material】Cycling skull caps are made from lightweight breathable mesh fabric, which is soft, sweat absorbent, strong stitching and comfortable to wear. It is an effective solution to keep your head cool and comfortable in hot weather.

【Sweat Defense】Our sweat wicking helmet liner with dual-layer fabric on the edge for sweat absorption. And the sweatband is wide enough to keeps sweat out of your eyes, cooling you down quickly and allowing you to focus on your activities.

【Universal Size】This stretchy skull cap has good elasticity that fits most people's head circumference, suitable for both men and women. It snugly accommodates all head sizes from 20.5" to 23.6". There are a variety of colors to choose from with style.

【Fits Under Helmets】Our cycling hats are good wearing companion for various types of helmets, such as hard hats , bicycle helmets, motorcycle helmets, and so on. It fits comfortably under your helmet, absorbs sweat and makes to keep your helmet clean, reduces smells and dust inside the helmet, effectively prolonging the life of the helmet.

【Widely Used】These unisex skull caps have good breathability, sweat absorption functions, great for a variety of outdoor or indoor activities, like cycling, motorcycling, workout, running, climbing, hiking, sleeping, etc.