From high-altitude base camps to low valley floors, the Patagonia Classic Retro-X Fleece Jacket attacks our every adventure head-on. With breathable, plush fleece on the outside and a moisture-wicking mesh lining, this jacket ensures we keep warm and comfy no matter the occasion. And since it's windproof, it's well equipped to take on more than the average outing. Details Windproof fleece built with style you can hike in Plush fleece exterior with moisture-wicking mesh lining Windproof barrier bonded between exterior and lining Stand-up collar lined with plush fleece for extra comfort Regular fit ensures versatile layering Item #PAT01K4