Swift Pigeon Apparel Lucky Charms- Four Leaf Clover, Horseshoe Irish Juniors T-Shirt Shirts are 100% pre-shrunk cotton for a comfortable fit (Athletic Gray is a 90/10 cotton-polyester blend) JUNIOR shirts are slim fit and generally run one size smaller than standard Womens. Short sleeve crew neck tee All graphics are applied with an INDUSTRIAL heat press. Wash inside out in cold water and dried on medium to low heat.