Salomon Adv Skin 12 running vest, size M/L. Like new condition. Does not come with flasks. Our best selling vest is a versatile, multi-tasking hydration hero. Designed and fine-tuned for demanding endurance races and runners, ADV SKIN 12 ensures on-the-go access to hydration, long-distance comfort and freedom of movement. With an ultra versatile storage unit and up to 12L capacity, it’s ideal for longer distance races or adventures.