Fully printed inside and outside. 100% polyester. The fabric is soft and comfortable, the double-layer design does not feel heat when worn, the inner lining gives you extra warmth, the texture is light and soft, strong sweat absorption, gentle to the skin, breathable, light and dry, good elasticity, suitable for all head types ,
Hand wash in cold water, no machine wash, no bleaching. This size data is normal due to different measurement methods. The error is within 2-4cm.