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Just sit it over your gas, electric or induction stove and the sturdy stainless steel base will heat the water inside. Once it has cooled, the tough silicone body will collapse easily into itself, ready to slide into a day pack or rucksack.

THE ZIPPO HAND WARMER
Surely the coolest way to stay warm in these chilly climes, the Zippo is destined to become the hand warmer of choice amongst sub-zero trend setters across the land. But the Zippo is more than just a pretty face because it radiates serious heat without a flame, as it cleverly utilises a technique called catalytic combustion.

SmarTouch Gloves are super soft, gloves with special conductive material woven into the thumb and index finger, so you can tap, pinch and scroll even when it’s minus whatever outside. Skin-like responsiveness? App-solutely. Staying toastie whilst fiddling with your gadgets has never been easier.