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 = ""; } } }); Front panel stretch mesh pocket with daisy chain attachment loops Side panel zippered stash pocket - sized to fit passport and smartphones Right side angled water bottle pocket Hybrid panel loader system, ideal for trail & travel PE frame sheet with wireframe load dispersion and stabilizer bar Description Product Description Bring the ruckus on your next weekend-long backpacking excursion with the Mountainsmith Mayhem 45 Backpack. Crafted from the insanely durable multi-ripstop Cordura fabric, and with a giant asymmetrical zipper opening, the Mayhem is ideal for everything from gear-intensive day trips to short backpacking escapes. A spring steel frame, PE framesheet, and Anvil Airway EVA support construction delivers a fit and feel that's equal parts comfort and stability, which is only furthered by the adjustable waist belt. This waist belt also allows you to safely stash a smartphone in the built-in pocket.A bevy of pockets ensures you're never short on the gear you need most through your adventure, and generous tool and trekking pole attachment points keep your bigger items close at hand when you need to scramble with your hands free.