The Lowe Alpine Protrail 30 Rucksack focuses on carrying comfort and ease of use. The combination of the ventilated AirZone back system, the Torso Fit Centro adjustability system and the Adaptive fit hipbelt provide unrivalled levels cushioned comfort. Practical pocket space and storage arrangements provide a platform for a fully organised, adventure ready rucksack. This backpack can be extended from 35 litres to 45 for the extra gear you might need to carry - ideal for when you struggle to repack your gear once you're already out and about.4 season hiking packLightweightAdjustable back systemAirZone back system - ventilated contact point between pack and back for extra coolingAdaptiveFit harness - sits comfortably on hipsTorso Fit Centro - adjustable back system for a fully customisable, comfortable fitSide compression straps - regulate load weight for easier carryingTop and side access - easily accessible gear throughout pack constructionVersatile pocket space - including mesh pockets, zipped front pocket, stretch hipbelt pockets and harness pocketsIce axe loopRaincoverFront elastic stowage cradle - for easy storage of additional itemsWalking pole attachment pointsCapacity: 35 litres + 10 litres with extensionMax load: 15 kgDimensions: 68cm x 34cm x 34cmColour: blackWeight: 1.65 kg