Passenger Instruction Guide Press'em Here Hang On Tight with Boob Targets. Novelty design for bikers. Shirt Details: 6 oz/yd² 100% Cotton Classic Fit Preshrunk jersey knit Seamless double-needle 7/8" collar Taped neck and shoulders Tear away label Double-needle sleeve and bottom hems Quarter-turned to eliminate center crease Fiber content varies by color, see color list for exceptions Made to Order Product.