Description:Cooling Skull Cap is comfortable and does not strangle your head, no pilling, no odor, no discoloration, easy to clean, comfortable wearing experience, say goodbye to summer heat. Helmets Liner Skull Cap Beanie fits the head, the ice silk fabric is soft and silky to the touch, not easy to pilling and fits the head shape.Specification:Name: Cooling Skull CapSeason: Spring and SummerFunction: Perspiration and breathableSuitable for head circumference: about 54-58cm/21.26-22.83inApplicable environment: cycling, running, hikingSize(about): Width: 26cm/10.23inHeight: 19cm/7.48inPacking list:1 x Cooling Skull CapNote:1. Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.2. Due to manual measurement, there is a tolerance in the product size.