Alpine proven as a midlayer and standalone, this versatile hoody has warmed climbers and backcountry travelers for years. Built to handle a range of conditions and output levels, the latest-generation Atom LT’s Coreloft Compact insulation retains its warmth even if wet and has loft retention to withstand years of packing and unpacking. The water resistant Tyono 20 face fabric is breathable and durable, stretch side panels improve fit and freedom, and the insulated StormHood adds warmth.