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TRAIL MAGAZINE: Review

There is a lot to like about this sleeping bag. With a 1°C comfort rating but weighing just 665g (the second lightest here), the warmth- to-weight ratio is impressive, striking a nice compromise for 3-season use in all but the coldest of spring or autumn days. If reducing your pack weight is a priority, and you're likely to be camping in warmer climes, the Hydrogen 30° is an excellent gram-saving choice. We were particularly impressed with the deep hood, which is comfy and can be sealed fully around your head for enhanced warmth. While the cleverly-curved two-way zipper - which
extends over both shoulders, as well three- quarters of the way down one side - delivers good ventilation and flexibility fill power and 320g fill weight. The latter is relatively minimalist, which probably won't prove warm enough for nights hovering around 0°C or lower. The shell is 20-denier Pertex Microlight and you also get a wraparound footbox, smoothly-curved baffles (designed to minimise down shifting), and a nifty internal pocket for a phone or headtorch.