TeeStars - Irish Shamrock Pocket Size Clover St. Patrick's Day Sweatshirt 50% polyester Irish Shamrock Pocket Size Clover printed on Men's sweatshirt. OUTSTANDING FABRIC QUALITY! COZY non itchy fabric. SUPER FAST SHIPPING! Perfect for St. Patrick's Day! 100% MONEY BACK GUARANTEE. Official Teestars Merchandise 50% cotton 50% polyester. Printed in the USA