Wear this riding cap under helmet during motorcycle rides or as a hat alternative. Riders of all ages can wear this versatile skull cap. The unlined do-rag creates a stylish look with or without a helmet with this functional head wrap. One size fits most up to 23 inches. Made of 100% Cotton Solid Color Unlined Riding Cap by CTM Unlined biker head wrap One size fits most up to 23" Machine washable