Manufacturer: Value Brand The great thing about our T-shirts is the pump is inserted into the pocket from the inside of the shirt with complete access from the outside for bolusing. Features: -All tubing stays underneath and out of your way. -We use pre-shrunk Hanes Beefy-Ts. -Pocket stays securely shut with a Hook & loop fastened closure. SIZES: Small: 34-36 Medium: 38-40 Large: 42-44 X-Large: 46-48 XX-Large: 50-52 POCKET-T: Left side pocket..................(S-XL)...5(2XL) Available in Black White or Royal.