This is a soft mesh cap from New Balance. It can be wetted with water and worn, and is washable. I bought it to wear during soccer, but I don't really like wearing hats, so I hardly used it. I think it's good for preventing heatstroke, and you can carry it in cold water or a cooler box! The inner tag is frayed and only attached on one side. It has some elasticity, and there is Velcro on the side of the hat, so you can make it smaller. In this state, the inside measured 53.5 cm. Please note that this is a rough measurement. There are no smokers in the house. Please also understand that this is stored by a private individual. Soccer Futsal Swimsuit Swim cap Heatstroke Hat Cap Mesh New Balance newbalance Soft cap Cooling cap Junior Kids Children