The ifrothgolf review
A pair of slim rechargeable electric hand warmers. Each unit is a flat battery brick that warms one side, and the two snap together with magnets so you can cup them in one hand, split them between two pockets, or hand one to your playing partner. You charge them over USB at home, then carry them out for the round instead of single-use chemical sachets.
What's great
The instant heat is the selling point: thumb the button and they are warm in about five seconds, no waiting and no shaking like the disposable kind. They are genuinely thin and light, so one drops into a trouser pocket or the hand-warmer pouch on a winter jacket without feeling like a brick. Three settings let you dial it down to stretch battery life, and the magnetic twin design is more useful than it sounds, you can warm both hands at once or share. Being rechargeable, the running cost is basically nothing once you own them.
Worth knowing
The big honest catch is runtime versus heat. That 'up to 8 hours' figure is on the lowest setting, and on a properly cold day you will want the top setting, where real-world life drops to roughly 2 to 3 hours, often not enough for 18 holes plus the range. They only heat one face, so you are warming a palm, not wrapping a whole hand. Top temperature is warm rather than scorching, and like all lithium packs the capacity fades over a few seasons. They also will not slide comfortably inside a snug golf glove, these live in a pocket between shots.
The verdict
For winter golf they do the one job that matters: instant, repeatable warmth you can carry without bulk, and no ongoing cost. Just go in clear-eyed that you may need to nurse the battery on the coldest days or carry a charge top-up. At around 25 pounds for two, that is still an easy yes over endlessly buying disposable sachets.
