The Atom Hoody is the solution to your “which jacket should I wear?” problem. Wear it solo for chilly forest hikes with windy summits, climbing at the crag, and hanging at the campsite, or as a midlayer for touring and wet winter objectives. The Coreloft synthetic insulation stays warm even if you run into light weather, making it a better alternative to down for high-output days year round.
Moisture-resistant outer face fabric.
Breathable.
Lightweight.
Compressible and packable.
Wind resistant.
Versatile.  
Performance stretch fleece side panels give ventilation.
Resilient Coreloft™ Compact 60 insulation is breathable, warm, and light, performs if wet, and delivers loft retention that resists packing out.
Light, soft Tyono™ 20 is air permeable.
Breathable 20D recycled nylon liner helps regulate temperature and is soft and comfortable next to the skin.