Keep the water flowing on the slopes with an insulated 。Slim fit. Perfect for all season. Great for cycling, skiing, chairlift-friendly hydration pack For hygiene purpose, RESERVOIR IS NOT INCLUDED. Lightweight, nylon rip-stop quilt top outer shell Main compartment built for easy accessible Front stash compartment great for smaller accessories Sternum Strap and curved shoulder straps Drinking tube zips into an insulated sleeve in the shoulder strap to protect your water supply from the elements. Unisex Rarely used. Like new condition. If you have any questions, please contact me before purchase. Thanks for looking