Challenge Your Limits Funny Motivational Workout T-Shirt, Gym Gear, Gym Apparel, Gym Shirts, Workout gift, Gift for Weightlifters, Gift for him Elevate your workout with our Challenge Your Limits Funny Workout T-Shirt. Made with a soft and lightweight blend of 60% cotton and 40% poly, this provides regular fit and comfortable gym t-shirt. Featuring side seams and a manly fashion cut, it's a great gift idea for any gym lover.