100 Oz. / 3 Liter Capacity Bladder (Imported) Leakproof Wide Side Opening for Easy Cleaning, Draining, and Ice Insertion Water Resistant 500 Denier Nylon Carrier Insulates and Maintains Water Temperature Quick Slide Release Buckles on Both Shoulder and Chest Straps Adjustable Shoulder and Chest Straps Top and Center Carrying Handles 3 x 5 MOLLE Webbing Carrier is Made in the USA Hydration packs are designed mainly to transport water and make drinking convenient and efficient during outdoor activities like biking, hiking, camping, running, and much more. Actually, with most hydration packs, you don’t have to stop, or even slow down, to take a sip of water; you simply grab the drinking tube that’s connected to the included water reservoir (called a bladder). When you are seeking portable hydration, this system is the way to go. The US military-issued MOLLE II hydration packs are made to the demanding specs that the military is known for. The hydration carrier can hold the 100oz bladder and is insulated to maintain liquid temperature. The cloth carrier is made from 500 denier nylon water-resistant fabric laminated to a single cell foam backing to maintain the liquid temperature within the hydration system. The carrier has a quick slide release buckles on both shoulder and chest strap, adjustable chest and shoulder straps, a carrying handle at the top and one in the center of the carrier.