It's important to feel comfortable and this soft tee delivers. 4.3-ounce, 100% combed ring spun cotton, 30 singles 1x1 rib knit neck Shoulder to shoulder taping HOW TO MEASURE CHEST With arms down at sides, measure around the upper body, under arms and over the fullest part of the chest. SIZE CHART FOR UNISEX XS S M L XL 2XL 3XL 4XL Chest 32-34 35-36 37-39 40-42 43-45 46-48 49-51 52-54 BUST With arms down at sides, measure around the upper body, under arms and around the fullest part of the bust