Old Fart Club T Shirt for Grandfather or Grandmother 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 Looking for gifts for grandparents, grandpa gifts, grandma gifts? available from OldFartTees on Amazon. grandfather t shirts make great gifts. Any of our shirts make great grandfather gifts from grandkids, grandfather gifts from grandson, new grandfather gifts, grandfather gifts from granddaughter as grandfather gifts for birthday. Lightweight, Classic fit, Double-needle sleeve and bottom hem