This is a set of vests, which are made of materials, durable and can be used for a long time. V-neck design highlights the charm of .Backless design, breathable and comfortable and show off the elegant shoulder . design, and stylish, perfect for running, sports, yoga and other sports. Features -Material: . -Size : About 75.5-82.5cm/ 29.7-32.5in (upper chest circumference), 67.5-75.5cm/ 26.6-29.7in (lower chest circumference). -Size L: About 79-86cm/ 31.1-33.9in (upper chest circumference), 71-79cm/ 28.0-31.1in (lower chest circumference). -Size XL: About 83.5-89.5cm/ 32.9-35.2in (upper chest circumference), 74.5-82.5cm/ 29.3-32.5in (lower chest circumference). -Size XXL: About 86-93cm/ 33.9-36.6in (upper chest circumference), 78-86cm/ 30.7-33.9in (lower chest circumference). - V-neck design highlights the charm of .Backless design, breathable and comfortable and show off the elegant shoulder . - Widen shoulder straps to reduce muscle pressure, and smooth without marks. - 3D elastic fabric holds the chest firmly and is shock-proof. - Widening design at the bottom increases stability when moving. Widening design at the shoulders can provide strong supporting force. - design, and stylish, perfect for running, sports, yoga and other sports. Package list: 1 x Set 2Pcs Vests