Nathan VaporAiress Race Vest， Cockatoo， Small/Medium<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"> Designed specifically to fit the female form </span></li><li><span class="a-list-item"> Over-the-shoulder load lifters keep water and gear close to the body for maximum no-bounce comfort </span></li><li><span class="a-list-item"> Body-mapped， super-breathable materials for maximum comfort </span></li><li><span class="a-list-item"> Equipped with a 2L bladder with quick-release valve </span></li><li><span class="a-list-item"> Two easy-access front bottle pockets </span></li><li><span class="a-list-item"> Size: XS (28" to 33" / 71.1 cm to 83.8 cm in chest) </span></li><li><span class="a-list-item"> Size: S/M (31" to 36" / 78.7 cm to 91.4 cm in chest) </span></li><li><span class="a-list-item"> Size: L/XL (34" to 40" / 86.4 cm / 101.6 cm in chest </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51LFbFPKLGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41g2wpntyAL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41lXOOr6fGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41-5YeHgwIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/412wtsWtiML.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/01akNUttFZS.png" noproxy><img src="http://ecx.images-amazon.com/images/I/11PvnE5%2BuTS.png" noproxy>