A year-round essential, our best-selling t-shirt has been voted "most popular" by groups, teams, clubs and schools across America. 6.1-ounce, 100% soft spun cotton 98/2 cotton/poly (Ash) 90/10 cotton/poly (Athletic Heather) 50/50 cotton/poly (Dark Heather Grey, S. Green, S. Orange) Removable tag for comfort and relabeling Care Instructions Machine wash cold, inside out with like colors. Only non-chlorine bleach when needed. Tumble dry medium. Do not iron. How To Measure Chest Width Measure under the arm and around the fullest part of the chest with arms down, keeping tape horizontal. Size Chart S M L XL 2XL 3XL 4XL 5XL 6XL Chest 35-37 38-40 41-43 44-46 47-49 50-53 54-57 58-60 61-63