Sierra Designs Frontcountry Bed 600/SYN Sleeping Bag -POLY-FIBER SYNTHETIC INSULATION (FCBSYN): Our short staple, synthetic insulation offers great warmth and high loft to provide a comfortable nights sleep. -INSULATED HAND/ARM POCKETS: Provides insulation under your arms when comforter is used outside of the bag -ROOM FOR A STANDARD PILLOW: The hood on the Frontcountry Bed is sized longer and taller to accommodate a standard pillow and your head -ADJUSTABLESLEEPING PAD SLEEVE: Secures your sleeping pad to create the experience of a fully integrated bed