The Hajker Pro 18 is a weatherproof daypack with a rolltop opening, made for highspeed activities and gnarly expeditions. The main fabric is the technical ROBIC + UHMWPE EXTREEMA NYLON, a lightweight and super strong fabric for extreme conditions. The pack is equipped with the bounce free No Dancing Monkey 2.1 harness system and waist support belt that makes the pack stay put on your back without cramping your style. With its ventilated and multi-size adjustable back panel, it's very easy to match for an individual fit and performance. The Hajker Pro is the perfect pack if you're looking for a high-end adventure pack for highspeed action.