This listing is for a US Army Field Butt Pack.  Vintage around the 1960s with all the straps attached.  All are in good condition.  The inside (See Pic) is lined with a waterproof pouch in excellent condition OD color.  The canvas is in excellent shape.  This pack is great for day hikes carry a ground cloth rolled up and can be secured to the exterior bottom with the strap.  Sold as-is .  Great piece.