From backcountry skiing to hiking snowy trails, the Rab Men’s Xenon 2.0 Insulated Jacket is a versatile layering piece that’s up for any cold-weather adventure. This winter jacket is stuffed with PrimaLoft Silver recycled synthetic insulation, which is specifically designed for high-output activities when warmth and breathability are paramount. Wear this piece under your shell for maximum protection or over your fleece for added warmth in dry, cold weather.