OMM Ultra 15 Marathon PackBuilt for training and racing the pack comes with a moderate, day-pack-style 15 litre maximum volume capacity with a super lightweight construction that is ideal for mountain racing.StorageOMM’s Ultra 15 Marathon packs is hydration system compatible with most reservoirs and tubing currently on the market. The sides of the pack also come with stretch mesh side pockets which can also be used to carry water bottle for even further hydration. Inside the pack there is also secure key clip and over clever storage features.Comfortable StabilisationWhen you’re running marathons it’s important that you’re not weighed down or off balanced by your kit. The pack therefore comes with a lightweight mesh yolk shoulder harness that is fully adjustable allowing you to find the best possible fit for your body type which ensures that the pack works with your movements and not against them.SafetyThe Ultra Marathon Pack comes with reflective detailing to help you stay visible in low lighting environments. Also to help signal your location the sternum strap comes with an integrated safety whistle which can be accessed at any time with the simple tilt of your head.FeaturesBack panel comes with 9mm EVA pad2 side stretch meshFully adjustable harness systemIntegrated signal whistle on sternum15L maximum volume capacityWeighs 340gBuy OMM Backpacks from Chain Reaction Cycles, the World’s Largest Online Bike Store.