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 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.