Mud Up or Shut Up Funny Off Road T-Shirt for 4x4 ATV Riders 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 Cool and funny t-shirt design features off road rider on a 4 wheeler and the words "MUD UP OR SHUT UP" in green letters. Perfect for the avid ATV rider and mud lover. If you own a four wheeler / all terrain vehicle / 4x4 and love going off road, show the world with this awesome t-shirt! Makes a special and unique gift idea for any occasion or holiday including engagement, Christmas, birthday, Valentine's Day, Easter, Mother's Day, Grandparent's Day, anniversary, wedding, graduation, retirement, etc. Click the "4X4 OFF ROAD" link above the t-shirt name at the top to check out our other designs! Lightweight, Classic fit, Double-needle sleeve and bottom hem