Although I haven't used it, I did wash it once with water, and then stored it without use. I'm putting it up for sale because I don't think I'll be using it in the future. ■ This is a simple running cap-type hat with color-blocked mesh to reduce stuffiness. ■ Size: Free size ■ Material: Mesh (100% polyester) ■ Country of origin: China ■ Manufacturer's suggested retail price: 4,290 yen Gender...Unisex