With the Salomon S-Lab Sense Ultra Set hydration pack, elite runners won't have to pull over until after crossing the finish line. Designed for minimal weight, this breathable running vest is so soft it can be worn directly against the skin. Multiple pockets deliver efficient gear storage. Weight: 300. Pack weight (LB OZ)3.88 oz. Dimensions 38 x 16.5 cm. Pack volume (CI)183. Pack volume (L)3. Pack weight (G)110. Material: Mesh.