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 = ""; } } }); Ardura 21 D HD RS / Ardura 420D Unique comfort and fit are guaranteed with the adjustable bio fit system, vented shoulder straps and the height-adjustable chest harness Hike in comfort thanks to free flow V fresh air Technology to allow airflow between the pack and your back Stay one step Ahead of the elements if the skies open with the integrated waterproof rain cover Hydration pack compatible Allowing you to stay hydrated on the move Keep everything at hand with 30 liter storage, containing a range of supporting, Zipped pockets and walking pole attachment Description Product Description When on a long single or multiday trek you need a pack that is both comfortable and practical; the adjustable Men's Freeflow 30 Rucksack is the solution to both of these.A perfect fit is offered with the inclusion of Berghaus' BIOFIT technology – allowing you to adjust the backlength of your pack to suit your individual height. Built on the exclusive Berghaus Freeflow backsystem designed to keep you comfortable by offering airflow and ventilation where it really counts.Dimensions (approx.): 68cm (H) x 31cm(W) x 29cm (D)Weight (approx.):1.40kg