Explorer Bottle is not only reusable, it also features a carry loop for maximum ease and access – wherever in the world they might be. While your friend is hydrating themselves in an exotic location, or even at the gym because let’s face it, we can’t all spend all our time travelling, they’ll be thinking of you with thanks. Made from stainless steel with an anodised black finish and featuring an embossed bamboo screw lid and etched logo, we reckon Bear Grylls wouldn’t be ashamed to take this on his next survival mission.