Considered by CNN one of Michigan's most unique and greatest natural wonders. If you grunted and sweated your way out to the "Rock" for great pictures, show you have "been there, done that" Material is a hardy 5.3 oz 100% preshrunk cotton. Seamless collar, taped neck and shoulders. Double-needle sleeve and bottom hems. Quarter-turned to eliminate center crease. Bright Yellow in a full range of sizes.