One of the lightest mountain jackets in the world, the Hyper 100 is perfect for the serious weight conscious adventurer thanks to a weight of just under 100 grams which if you could pardon the cliché, is pretty much lighter than a feather. Designed by Berghaus' MtnHaus research department, the jacket features everything you need, stripping back anything over the top. The Hydroshell Elite Pro fabric is fully waterproof and maximises breathability, allowing you to work intensely while staying ventilated, cool and comfortable. A seamless one piece panel reduces irritation while close fitting design with elastic cuffs keeps the jacket close, reducing the amount of air inbetween the body and material ... More info