Short sleeve polo shirts Size Chart . S: Shoulder: 17.7" -- Sleeve: 9.0" -- Chest: 40.2" -- Center Back Length: 26.7" M: Shoulder: 18.3" -- Sleeve: 9.4" -- Chest: 42.1" -- Center Back Length: 27.3" L: Shoulder: 18.9" -- Sleeve: 9.8" -- Chest: 44.1" -- Center Back Length: 27.9" XL: Shoulder: 19.5" -- Sleeve: 10.1" -- Chest: 46.0" -- Center Back Length: 28.5" XXL: Shoulder: 19.7" -- Sleeve: 10.3" -- Chest: 48.0" -- Center Back Length: 28.7" Long sleeve polo shirts Size Chart . S: Shoulder: 17.9" -- Sleeve: 25.4" -- Chest: 40.6" -- Waist: 37.4" -- Center Back Length: 27.0" M: Shoulder: 18.5" -- Sleeve: 25.6" -- Chest: 42.5" -- Waist: 39.4" -- Center Back Length: 27.6" L: Shoulder: 19.1" -- Sleeve: 25.8" -- Chest: 44.5"-- Waist: 41.3" -- Center Back Length: 28.1" XL: Shoulder: 19.7" -- Sleeve: 26.0" -- Chest: 46.5" -- Waist: 43.3" -- Center Back Length: 28.7" XXL: Shoulder: 20.3" -- Sleeve: 26.2" -- Chest: 48.4" -- Waist: 45.3" -- Center Back Length: 29.3"