SOG Opord Tactical Day Pack, 39.1-Liter Storage polyester Imported Large-sized backpack great for daily commute, guard duty, travel, and hiking; padded shoulder straps combined with waist belt comfortably carries heavy loads Versatile storage with large main compartment, front accessory pocket with organizer, two zippered size accessory pockets, and compressible stash pocket Tactical features include MOLLE webbing for attaching a variety of optional accessories; left/right tubing ports for accessing hydration bladder pocket Durable water repellent construction; hook-and-loop are on front of pack for attaching a flag patch; Measures 22 x 12.7 x 7 inches (WxHxD) with 39.1-liter capacity; backed by lifetime manufacturers warranty