Everything you love about the Atom Hoody (minus the hood), the Atom Jacket is the layer you can count on to see you through multiple high-output activities. 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.Features : Coreloft Insulation: Warm, lightweight synthetic fill that retains heat in wet conditions. Versatile Performance: Wear it as a standalone piece or as an insulating midlayer. High-Output Ready: Ideal for hiking, climbing, touring, and year-round mountain activities. Weather-Resistant: Breathable materials with light weather protection. Lightweight & Packable: Easy to stash in your pack for changing conditions. Articulated Patterning: Provides excellent mobility during active pursuits. Minimalist Design: Streamlined look with no hood for those who prefer simpler layering.