Nathan NS4523 Swift Plus Running Hydration Pack Fitness Running Belt with 10oz Flask， One Size<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"> Race-ready minimalist hydration belt </span></li><li><span class="a-list-item"> Includes a 10oz Flask with push-pull cap and an angled holster for quick hydration </span></li><li><span class="a-list-item"> Fits comfortably， and provide a bounce-free ride </span></li><li><span class="a-list-item"> Zip pocket that fit large Smartphones sized up to iPhone 7 plus </span></li><li><span class="a-list-item"> Race-ready features include gel loops， and gel trash stash pocket </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/4146-0izLiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/A1hlJTcKVpS.png" noproxy>