Thule Chasm is a rough-and-ready duffel bag that can be thrown into your trunk or roof box, perfect for short trips or multi-day adventures.These duffels can be converted into a backpack with shoulder straps that tuck away when not in use. The wide mouth opening makes it easy to pack all your gear, and the internal mesh pockets help keep you organized. Built to perform, this backpack is constructed from a durable 900D fabric with a PFC-free durable water-repellent finish to withstand the wear and tear of your adventures and protect your gear from the elements. All the exterior and interior fabrics, webbings, and mesh are made with 100% recycled materials. 2-in-1 design easily converts from a duffel to a backpack (backpack straps tuck away when not in use).