With an abundance of pockets, hydration options, and ways to stash our trekking poles, the updated ADV Skin 5L Set Hydration Vest ensures comfort and convenience on the trail. This vest's improved gender-specific construction creates a better fit on feminine bodies with a harness shape that's more comfortable around curves and front flask pockets that sit below the chest. Quick-drying synthetic materials wick sweat to keep us cool on high-output runs.