[Material] 100% polyester [Size] One size fits all
[Colors] Beige, green, red, black, navy
[Plain design] This is a simple and easy-to-use plain cap that can be worn under a helmet.
[Freely adjustable] Comes with an adjustable plastic buckle that can be freely adjusted to fit your head circumference.
[Various uses] Great for various outdoor activities such as cycling, commuting, road biking, running, walking, mountain climbing, snowboarding, skiing, golf, fishing, etc. Use it to protect against UV rays and prevent sunstroke and heat stroke.
[Material] 100% Polyester [Size] One Size Fits All [Colors] Beige, Green, Red, Black, Navy [Solid Design] This simple, easy-to-use solid cap can be worn under a helmet. [Adjustable] The adjustable plastic buckle allows for a custom fit. [Versatile Uses] Perfect for a variety of outdoor activities, including cycling, commuting, road biking, running, walking, mountain climbing, snowboarding, skiing, golf, and fishing, and is ideal for protecting against UV rays, sunstroke, and heatstroke.