Running T-shirt - 13.1 Miles Because I'm Only Half Crazy 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 Running T-shirt - 13.1 Miles Because I'm Only Half Crazy Lightweight, Classic fit, TearAway label, Double-needle sleeve and bottom hem Half Marathon T-shirt 4.5 oz 100% Combed Ringspun Cotton, machine wash cold with like colors, dry low heat