Kingsway Perfect Tri ® TeeKingsway Perfect Tri Tee 4. 5 ounce, 50 25 25 poly combed ring spun cotton rayon, 32 singles 1x1 rib knit neck Tear away label Shoulder to shoulder taping 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 XS S M L XL 2XL 3XL 4XL Chest 32 34 35 37 38 40 41 43 44 46 47 49 50 53 54 57