With a wide mouth opening and removable backpack straps the rugged, weather resistant Thule Chasm Duffel is your go to gear hauler for any adventure. The oversized widemouth opening makes them easy to fill, and the straps easily convert from duffel to backpack, to add versatility and ease to your travels. Oversized, wide mouth opening make it easy to pack and easy to get to your gear. Side access makes it easy to reach the main compartment from any angle. Duffel straps stow cleanly along the side of the duffel. Straps quickly convert the bag from a backpack to a duffel. Durable, waterproof tarpaulin fabric stands up on its own for easy packing but easily folds for storage. Internal mesh pockets keep your gear organized. External compression straps prevent bag contents from falling to the bottom of the bag when in backpack mode. Daisy chain lash points let you attach duffel to car roof or extra gear to the outside of the bag. Padded bottom cushions your gear from the ground. Locking zippers deter thieves lock sold separately. Exterior stash pocket stores small items. Phthalate free TPE laminate fabric with a 1000D nylon base. 40L Size S External Dimensions: 10x22.1x12.6. Volume: 40L 2440 cu. in. Wt. 2.44 lbs. 70L Size M External Dimensions: 26.5x14.5x12.5 67x37x32 cm. Volume: 70L 4272 cu. in. Wt. 2.56 lbs. 90L Size L External Dimensions: 29.1x16.6x13.1 74x42x33 cm. Volume: 90L 5492 cu. in.. Wt. 2.63 lbs. 130L Size XL External Dimensions: 33.9x18.3x16.5 86x47x42 cm. Volume: 130L 7933 cu. in.. Wt. 2.69 lbs.