Features Enter your model number above to make sure this fits. P.when("RPPStripeRendered").execute(function(stripeData){ if(stripeData && stripeData.state){ switch(stripeData.state){ case "result-found": document.getElementById("replacementPartsFitmentBulletInner").innerHTML = "This fits your "+stripeData.item+"."; document.getElementById("replacementPartsFitmentBullet").className = ""; break; case "no-result": if(stripeData.showBullet && stripeData.showBullet !== "0"){ document.getElementById("replacementPartsFitmentBulletInner").innerHTML = "No information found for this part for "+stripeData.item+"."; document.getElementById("replacementPartsFitmentBullet").className = ""; } break; default: document.getElementById("replacementPartsFitmentBullet").className = ""; } } }); Antidote Reservoir features easy open/close cap and low-profile design Bike tool organizer pocket and expandable zip panel for extra gear Front and back reflectivity Blinker tab CamelBak Got Your Bak Lifetime Guarantee Description Product Description Perfect all-around commuter or trail pack that expands on demand for greater flexibility. With one zip of the expansion panel, your overall cargo volume expands over 40%. And whatever you're carrying, the air-mesh harness, hip belt and adjustable sternum strap keep your load well-balanced and comfortable. Fleece-lined media pocket protects your smartphone, iPod, camera or other devices while keeping them close at hand. Reflective back strip with tab to click on a blinker for early morning and evening safety. 2L Antidote reservoir keeps you well hydrated.