This is cayl's AquaX Cap. It is a double weave fabric with AquaX yarn applied. AquaX yarn has good hygroscopicity, so it can give you a comfortable feeling when worn. A string is applied so that the size can be adjusted. Retro-reflective logo printed on the side. The surface is coated with DWR, making it water-repellent. Over time, the water repellency decreases. Basically, it's an activity-focused product that's breathable. The incision on the side is shaped like a mountain, and it is characterized by the fact that the upper panel can be worn comfortably when worn. 1. Fabric Nylon86% Polyurethane 14% 2. Parts: Woojin Plastic 3. Weight: 59 g Made in Korea <Caution for washing> We recommend hand washing in lukewarm water. Please do not use bleach. Please do not dry clean. Please do not iron. Please wear it after washing and drying.