Description: Color: gray Size: S:Keel length: 26cm, chest circumference 57-67cm, suitable for height 100-155cm M:Keel length: 26cm, chest circumference 68-80cm, suitable for height 128-172cm L:Keel length: 26cm, chest circumference 81-110cm, suitable for height 155-180cm Material: Cotton Spandex Package quantity: 1pc Feature: Easy to carry and easy to use. Thanks a lot for you support,I wish you have a nice day 100% brand new and high quantity Friendly Tips: 1.Due to the light and screen difference, the product color may be slightly different from the pictures. 2.Please allow 0.5-2 cm differences due to manual measurement. 3.Made of premium material, durable for long-term use. 4.Conversion: 1inch=2.54cm, 1cm=0.393inches If you have any comments,pls contact us at any time,we will do our best to meet your any requireme