How many times have you been in the stand or blind and the only thing you can concentrate on is how cold and uncomfortable your feet are? Now you can get all the warmth your feet deserve on icy end-of-the-season days. The air-activated chemical heat packs in these removable footbeds give you up to five hours of soothing warmth in the dead of winter. Plus, the thin, compact construction won't hinder the padding of your footwear or bunch up when walking to and from your hunting location. Three-pair pack.