I Skate Because Running Sucks-Roller Derby Apparel Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat 100% original design. Order with confidence. Click on the link above the roller derby shirt product title to see all our roller derby apparel. Roller derby shirts for kids and youth are also available from the drop down selection. Some designs are a slightly distressed style for a vintage, worn look. Mouse over design for a closer look at this roller derby clothing t shirt. If you are looking for roller derby shirts for women men or roller derby shirts for men and kids then see our store on Amazon. Lightweight, Classic fit, Double-needle sleeve and bottom hem