The Coleman Sleeping Bag 50 degree F Youth Boy is a rectangular sleeping bag. It has a flat throat with comfort cuff and roll control (tottle & loop) to make rolling the bag easier with tie cords at foot of the sleeping bag. It consists of a polyester cover and cotton flannel liner with Thermo Tech insulation; quilt thru construction; liner is brought down over cover side of bag to form comfort cuff; full-length and width 2-way zipper with thermolock (weather seal) formed on inside of bag by insetting zipper on outside of bag and ZipPlow (zipper pull cover).