Salomon ADV Skin 12 Running Vest Men'sThe brand's best selling vest, the Salomon ADV Skin 12 Running Hydration Vest, is a versatile, multi tasking hydration hero designed and fine tuned for demanding endurance races and runners. The 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. Material PFC free 84% Polyamide, 16% Elastane