Ergodyne Chill-Its 5156 Premium Low Profile Hydration Pack， 3 Liter， Black<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Nylon </span></li><li><span class="a-list-item"> DURABLE made of 600D water-resistant rip stop polyester with breakaway straps for added safety and security </span></li><li><span class="a-list-item"> COMFORTABLE vented shoulder straps with 8mm EVA foam padding makes it comfortable all day long. </span></li><li><span class="a-list-item"> ADDITIONAL STORAGE one zippered compartment with headphone jack， multiple d rings， and nylon webbing. The perfect balance between low-profile and cargo needs. </span></li><li><span class="a-list-item"> INSULATED PACK AND TUBE keeps water cool and tasting fresh </span></li><li><span class="a-list-item"> ANTIMICROBIAL bite valve to keep contaminants away and a dual cap bladder for easy ice and water (re)filling. </span></li><li><span class="a-list-item"> 3.0 LITERS or 101oz of water capacity. Good for approx. 3.3 hours of hydration! </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/417z9g6mWxL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51LMordKGFL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41MVwjio5IL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Me%2BiML2nL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61dGx1Q434L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/615J5zqM3RL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21NAVnSVqVS.png" noproxy>