NWOT RBX workout tank top Brand new without tags, never worn RBX white work out tank top. Sleeveless shirt with black decorative stitching. Back of shirt has stitching to mimic razor back. Center of back of shirt has porous mesh for breathable workouts. Size Large. Looked on rack if it would actually fit as a bigger size medium, but when tried on fits too loosely under arm area. So true size Large. Material 100% polyester with some stretch to it. Great workout wear. RBX Tops Tees - Short Sleeve Workout Tank Top, Workout Wear, Tops & Tees, Tank Tops, Sleeveless Shirt, Fashion Design, Fashion Tips, Fashion Trends, Top Brands