What a great Woobie! While in Iraq, my dad sent me a custom Woobie with thinsulate insulation, and my favorite feature... a zipper in the middle so I could poke my head through and wear it under my poncho. I wish I had this ZeroFoxtrot back then with a zipper. It would truly be the ultimate Woobie. I purchased one for myself and one for my son. I sleep with mine every night. Much to my wife's dismay.