Arcteryx Iser Jacket - Men's Supple, waterproof, windproof N70p 3L Gore-Tex fabric with Gore C-Knit backer technology is quiet, soft and has excellent breathability Helmet compatible DropHood has insulated collar New RS pocket zipper sliders Lower sleeve pocket, internal mesh dump pocket, internal laminated zipper pocket, forearm sleeve pocket Side zip vents provide rapid ventilation