Waterproof / Breathability: 15.000 mm Sizes: XS, S, M, L, XL, XXL Buy it here: Dopesnow.co.uk TL;DR Review The Dope Blizzard Full Zip Snowboard Jacket punches well above its weight, offering a minimalist but entirely practical mountain jacket that’ll deal with weather just as well as the bar afterwards. Intro: Dope was started in 2006 by two Swedish brothers, Emil and Linus, who struggled to find quality gear to ride in.