These Heated Glove liners will fit under most gloves, just depends how tight her/his gloves are. You can't go wrong with heated! Just make sure you know how to install them before you do (in case you need to return it) :-)
Heated Glove Liners!! Made out of a wind-and water-resistant poly/spandex, these battery-powered glove liners are infused with heating elements that run the length of the fingers for immediate chill reduction.