About the design: "Boom!" designed keeping in mind the desire for graphic expression for cliched catchphrases! Fine Single Jersey Apparel made with 100% fine Single Jersey Cotton super-combed and bio-washed for softness and comfort. Ethically sourced, our t-shirts are Slim fit, but if that's not your thing, order a size up. Our Tanks are loose and comfy. Wash Care: Wash with Like Colors, Use Detergent for Colors, Do not Bleach, Do not Tumble Dry, Do not Iron Artwork and Flat Dry in Shade.