Product details:

Hajker Pro is a waterproof ultra-durable daypack with a rolltop opening, made for highspeed activities and gnarly expeditions. Its equipped with our 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. The pack is so lightweight and strong thanks to main fabric; the technical ROBIC + UHMWPE Extreem Nylon, a fabric for the most extreme conditions. You could almost say that the Hajker Pro is as made of steel!Material: ROBIC EXTREEMA
Volume: 30L (1831cu in)
Support/Suspension: No Dancing Monkey 2.1
Shoulder Straps: yes
Waist Belt: yes