Atom Hoody Men's is a warm-even-when-wet insulated jacket designed for hiking, built as a layer you can wear on its own in light weather or as a midlayer for colder, wetter objectives. Product Type: Men's insulated jacket. Material: Synthetic Fill. Weight: 355g. Coreloft synthetic insulation stays warm even in light weather. Wind resistant and breathable for high-output use. Updated with a FC0 DWR finish for a lower footprint. For a hiking setup, pair it with a hiking fleece and men’s hiking shoes . 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. What's been updated: Updated with a FC0 DWR finish for a lower footprint. Need a lighter option? Try the Atom SL Hoody.