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 = ""; } } }); Aircontact Lite system features padded, contoured shoulder straps and hipbelt with 3D air-mesh lining and a cushioned, breathable back panel with hollow-chamber foam Forward-pull hipbelt adjustment makes it easy to achieve a snug fit X-frame with hollow-core aluminum stays transfers load weight to your hips and offers both torsional rigidity and flexibility to follow your body movements Top lid features inside and outside pockets; mesh side pockets and hipbelt pocket hold water bottles, snacks and other small items Large stuff-it pocket on the front compresses down?a perfect spot to stash an insulating layer or rainwear Description Product Description The Deuter ACT Zero 50 + 15 pack is perfect for the thru-hiker who travels light and fast and carry all your necessities in comfort. - Size: 50 + 15 Liters - Weight: 3 lbs. 7 oz. - Internal Frame - Adjustable torso.