Breathable Cycling Cap Bike Caps Quick Dry Visor Brim Bicycle Hat Helmets Liner Sunshade and sun protection: Avoid sun glare from affecting your vision while riding, prevent the sun from hurting your eyes, and give you a good riding experience. Breathable Mesh: The Summer Cycling Caps allow the internal air to circulate, the inner lining is soft and comfortable, removable and washable, and the breathable inner lining has an anti-odor function. Comfortable to wear: light and thin fabric, the small caps are only 28g. The elastic design at the back of the head is suitable for most head circumferences without tightness. Helmets lining: It can be matched with helmets, and the small caps can be worn under the helmets to prevent sun protection and sweat and avoid the trouble of messy hair after taking off the riding helmets. Widely Used: Mountain Biking Hats are suitable for groups like adults, teens, boys, and girls and suitable for cycling, fishing, climbing, hiking, running, roller skating, and other outdoor sports. Features: Material: Polyester Size: 24*14cm/9.4*5.5in Head circumference: 54-58cm/21-23in Weight: 28g Packing List: 1*Summer Cycling Caps