Awesome Biker Grandmas T-Shirt 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 Grandmas Can Be Bikers Too. Show your Biker Grandma pride with this great T-Shirt. Get yours now! Mens, Womens And Youth Sizes Available In A Selection Of Colors Lightweight, Classic fit, Double-needle sleeve and bottom hem