An everyday staple, the World Piece Standard Pocket Tee is made of a 6 oz 45/55 organic cotton-hemp blend fabric. Heavy on the scale, not on body. Sizing: S – Back Length 27.5" – Chest 21" M – Back Length 28.25" – Chest 22" L – Back Length 28.9" – Chest 23" XL – Back Length 29.5" – Chest 24" XXL – Back Length 30.5" – Chest 25.5"