Salomon Sense Ultra 3 is a specialized 3 liter hydration vest for hot and fast distances. Used condition, but very well taken care of. Some stains (pictured) and loose threads, but otherwise seams and zippers in working condition. No holes or abrasion. Great pack to try out vests. I am including two flask (17oz) in great condition (not original to the pack). Plenty of zippered as storage and space for gear on long or adventurous runs.