Harley-Davidson Men's Summer Willie G Skull Long Sleeve Shirt - Charcoal, 40290992. This long sleeve has all the appointments you want, bright and bold graphic and the right cotton material. Made from 60% cotton and 40% polyester, this shirt is a year round go-to garment for all your activities, on or off the bike. Back features our Wisconsin Harley-Davidson Dealer logo. Rib-knit cuffs and crew-neck that will hold up ride after ride. This is sure to be a long sleeve that you'll wear time and time again. 40290992