JMIERR Men's Casual Stylish Short Sleeve Button Up Striped Dress Shirts sky blue baseline stripe practice shirt Blue Butcher Stripe Shirt Stripe Shirt Joseph Turner Training T Shirt Sky Blue Grey Vany Sports Wear Blue stripes stretch shirt HUGO Simons. no adult is exercising in a heavy cotton shirt these days, neither should kids! designed for every day wear, the practice shirt can be worn to school and for the most intense sports or backyard play. made from a sustainable recycled nylon, this shirt is moisture wicking, durable and has a creamy, breathable feel.??