Quads Are Quaking Shirt | Funny Leg Day T-Shirt | Squat Workout Gym Motivation Tee | Powerlifting Gift for Him This is a unisex shirt that RUNS SMALL. We print on the Bella Canvas or similar. Warning: May Cause Wobbly Walking. Is your EKG looking like the post-squat walk back to the car? Then this is your spirit shirt! The ultimate expression of commitment to crushing your leg workout. Super soft fabric to cushion the agony of delayed-onset muscle soreness. Click to order and earn your badge of honor! Men's/Unisex Sizing: RUNS SMALL This shirt is made from soft ring spun cotton. Solid Colors Are 100% Cotton Vintage colors are 50% cotton/poly blends. Sport Gray is 10% polyester. Tear Away Tag RUNS SMALL Please note sizing may be +/- 1" in either direction. It is side seamed and should be considered fitted. We always recommend ordering 1 size up for those who love a loose, boxy tee. See images for size information.