Used in trail running races several times. As a guide, I am 168cm tall and weigh 61kg, and the S size fit perfectly with minimal bouncing. Purchased last year from the official OMM website. ◾️Capacity: 5L ◾️Weight: 220g ◾️Color: Gray As shown in the fifth photo, the sealed underside shows signs of use. This item has been home-cleaned and stored, so please understand that it is a used item before purchasing.