My buddy bought two pairs. Both sucked. These arrive tonight. My feet were frozen all day yesterday despite my body being pretty comfortable all day. Enough of that shit!
First time using these was yesterday. I wore a light pair of Darn Tough wool socks in with the tops of my Muck boots rolled down so my feet could breathe. When I got to the stand, I pulled on a pair of the Darn Tough over the calf extra cushion wool sock, rolled my boots up, then put these boot blankets on with no warmers. My feet eventually got cool, but never cold. Remarkable improvement over what would have happened without them. They're a tad bulky and noisy, but it's a fair trade for warm feet!