The Patagonia Men's Classic Retro-X® Fleece Vest features a soft, windproof membrane bonded between a thick and fuzzy outer layer of quarter pile Sherpa fleece and an interior, moisture-wicking, highly air-permeable mesh lining. The resulting fabric traps heat, blocks wind and feels smooth and comfortable against your skin. The zippered chest pocket, collar and wind flap are made of nylon with a weather shedding durable water repellent finish. Enjoy the zippered side handwarmer pockets that have a brushed-polyester mesh lining for extra warmth and a smooth feel. Additionally, this vest is treated with HeiQ® durable odor control, ensuring you stay fresh and dry all day long. Stay looking and feeling good with the Patagonia Men's Classic Retro-X® Fleece Vest.