$3.00 from each Kitty Power shirt will go to various local shelters/rescues. We love all animals and Pitbulls hold a special place in our hearts but we couldn't deny our crazy cat lovers any longer. Cats and barbells? it's a no brainer! Available sizes Small, Medium, Large, XL, 2XL, 3XL ​ Lightweight and soft, the shirt feels like one you've had your whole life. 4.2 oz. 50% Polyester, 25% Cotton, 25% Rayon.