Harley-Davidson Womens Studded Signature Speed Sock, SP21554. Studded Bar & Shield logo with a tribal design. Ultra soft and comfortable, made from 100% polyester. Elastic band so it keeps snug and in place. One size fits most. Wear for an effortless no-tie solution. Fits comfortable under helmets. Perfect accessory for all biker gear! It will not only look stylish, but protect your head from the sun as well. A speed sock doesnt require complicated knots to tie it to your head like bandanas or headwraps. SP21554