TANTÄ unisex cap. The Thunder cap is a reinterpretation of the classic baseball cap with a curved visor. It's made from durable cotton-blend fabric and is seam-sealed for complete waterproofing. Its design includes an adjustable back strap with velcro closure and a fleece interior, with a soft and warm touch. Materials: - Outer shell: 62% cotton/38% polyester, 100% polyurethane coating.- Inner lining: 100% polyester fleece.- 100% waterproof (4000 mm water column). Care:  - Hand wash inside out.- Cold water.- Smooth iron.- Do not use dryer.