1. Constructed by waterproof 600D high density Nylon material.<br />2. Two layers cargo design￡?one for hydration bladder￡?and the other for extra carrying purpose( such as : keys￡? phone￡? snacks ￡?Wallet)<br />3. Fully Adjustable chest and shoulder straps￡? suitable for heavy carrying.<br />4. Equipped with a tube with a bite valve to drink￡? so you don't need to hold it to drink.<br />5. Easy to use on/off valve on the hydration bladder￡? convenient for control the flow of water.<br />6. Ideal for cycling￡? hiking￡? camping￡? running￡? climbing￡? and other sporting activities<br /><br /><br />The Sports Hydration pack is an essential piece of equipment for a whole variety of situations; running￡? cycling￡? hiking and endurance events. Contains the 2.5 litre bladder￡? providing plenty of fluid for those times when you need that bit extra to power through.Bag Comes with storage compartments for keys￡? phone and your wallet￡? along with any other small items you may need to carry with you.. Hydration Bag comes with fully adjustable shoulder Straps and chest straps￡? allowing for full stability and support￡? especially needed in races at the later stages. <br /><br /><br /><br /><img src="http://img6.eachbuyer.com/x9/p100/cq788_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq788_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq788_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq788_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq788_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq788_6.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq788_7.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq788_8.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq789_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq789_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq789_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq789_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq789_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq789_6.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq789_7.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq789_8.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq790_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq790_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq790_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq790_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq790_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq790_6.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq790_7.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cq790_8.jpg" />