The Loap KANSAS 18 is a hiking backpack with a chest strap, anatomically shaped waist strap and side compression straps. The back has one compartment and a closure at the top. The AVS back system provides perfect ventilation, because it doesn’t lay directly on your back but features a curved back construction. External material contains polyester fibres BULLTECH. The fibres are firm and extra resistant to tear. And in case they tear, special structure of fibres will prevent the tear from spreading. Additionally, the fibres are covered with water resistant and abrasion resistant coating.