Black Diamond Stonehauler 40L Duffel Steady as a Rock The Stonehauler 40L Backpack is built for rugged adventures and weekend getaways. With reinforced materials and comfortable shoulder straps, it stands up to rough handling while providing ample storage for gear. Its versatile design makes packing, organizing, and hauling a breeze, no matter where your journey takes you. Features Durable construction, reinforced to handle tough conditions Spacious storage, opens up flat with two zippered storage compartments Comfortable shoulder straps, with reinforced handles on all sides for easy grabbing Ready for travel, meets most carry-on size requirements and has a handle pass-thru for rolling luggage Dedicated pockets, with external zippered laptop sleeve and interior dirty shoes/chalk bag storage SPECIFICATIONSGear Capacity40LBag Style Backpack Weight1. 32 kg Material Polyester, Recycled Polyester | Black Diamond | Stonehauler 40 L Backpack | Polyester