Never been used. Soft flasks not included. Medium size. With the Salomon ADV Skin Set Hydration Vest, we're able to set the pace come race day and cruise confidently knowing that we're covered. Thanks to the Quicklink sternum straps and SensiFit design, the ADV Skin 5 provides unencumbered mobility so we can navigate technical steeps and talus field descents with ease. Mesh paneling ensures were able to breath while included soft flasks let us ergonomically carry along our liquid energy. Best Use Trail Running Gear Capacity (L) 5 liters Gear Capacity (cu. in.) 305.1 cubic inches Reservoir Included No Liquid Capacity (L) 2.5 liters Number of Exterior Pockets 9 + main compartment Weight 10.9 ounces Material(s) Body insert: 88% polyamide/12% elastane; back body: polyester; lining: polyamide; body: 84% polyamide/16% elastane; padding: polyethylene; back insert: 89% polyamide/11% elastane BPA Free Yes Dimensions 38 x 20 x 6 centimeters Gender Unisex Frame Type Frameless