M's PUFFER PANT RUN SOCKS One of our most-loved styles

One of our most-loved styles returns for an encore performance of Infiknit™ comfort and style

designed to be extremely light to wear and carry

This pattern strikes the chord and works with any color palette

Premium anti-pill micro-fleece lining and 3M™ Thinsulate™ insulation

M's PUFFER PANT RUN SOCKS One of our most-loved stylesInsulated baselayers? Yep. Thats a thing. The Puffer Pant is a fleece long underwear bottom thats got panels of warm down insulation on the upper half of the pants, where you could use a little extra coverage when riding cold chairlifts or touring on a frigid day. They also do double duty as loungewear in a backcountry hut or on a powder chasing road trip. Gridded fleece with strategically placed insulated panels where you need the most warmth Stretch