Product Description JNBY's fake two pieces underwear as outerwear T-shirt made of pure cotton single jersey takes rich layerful effect and looks stylish and modern. It feels flexible and skin-friendly, comfortable and breathable. Material 100% Cotton Size Guide SIZE(CM) XS S M L XL BOTTOM CIRCUMFERENCE 109 113 117 121 125 CENTER BACK LENGTH 63.7 66.2 68.7 71.2 73.7 ACROSS SHOULDER 50.3 51.9 53.5 55.1 56.7 NECK WIDTH 50.5 51.5 51.5 53 54.5 CHEST WIDTH 110 114 118 122 126 SLEEVE LENGTH 21.3 22 22.7 23.4 24.1 SLEEVE OPENING 37.6 38.8 40 41.2 42.4