Niner Vibes Unisex Muscle tankThis unisex Niner Vibes Muscle tank soft, is so comfy you're going to want to wear it everywhere, be it on your couch, out on a walk, tailgating or during a yoga class. The relaxed fit and low cut armholes gives it a casual, fun game day vibe. 100% cotton Relaxed fit Side seamed construction Wide, low cut armholes Size guide SHIRT WIDTH (inches) SHIRT LENGTH (inches) CHEST TO FIT (inches) S 18 26 34 37 M 20 27 38 41 L 21 5 8 28 42 45 XL 23 5 8 29 46