F.C Men's Tank Top Stringer Gym Shirt Vest (Black) Size Adjusted Based on Customer Reviews since 10/25/2016, We add the length and size. 65% cotton / 30% polyester / 5% spandex,please check the shirt size on Product Description, NOT the size chart Shirt has good elasticity, soft and comfortable,Well-made, please choose seller "I'm a cat" 5Sizes Available: Asian M-XXXL(US Size S-2XL)We are asia size, it's smaller 1-2cm than US size BRAND:Designed and manufactured by FCYOSO,which is a registered trademark protected by both Amazon and US law. We have never authorized other sellers to sell FCYOSO products.