This active tee with reflective details from Kamal Ohava(tm) is a staple for all runners. The short sleeve performance shirt was designed with a clean, minimalist look that lets its breathable, moisture wicking technologies speak for themselves. 1" x 4" reflective rope on each arm sleeve, set-in sleeves. 3.8 oz., 100% polyester interlock jersey. Sizing: XS = 32-34, S = 35-37, M = 38-40, L = 41-43, XL = 44-46, 2XL = 47-49, 3XL = 50-53, 4XL - 54-57.