On a day where the forecast keeps flip-flopping, the Atom Hoody covers both ends: solo wear for breezy summit hikes and crag sessions, or a midlayer under a shell when a tour turns wet. Coreloft Compact 60 fill holds onto warmth even after it gets damp, outperforming down when the effort level climbs. The StormHood cinches low and snug when wind kicks up, and the zipper's glove-friendly pull stays easy to grab mid-hike. Stretch side panels add airflow, and a recycled nylon liner keeps things soft against skin. The jacket folds into its own chest pocket for the pack. Key Features Insulation: Coreloft™ Compact 60 synthetic insulation, breathable and warm, performs when wet with loft retention that resists packing out Face Fabric: Air-permeable Tyono™ 20 outer with FC0 DWR finish, free from intentionally added PFAS Zipper: No Slip Zip™ front zipper with custom TPU pulls, glove-friendly and easy to operate Fit & Patterning: Fitted cut with articulated patterning and gusseted underarms for mobility Cuffs: Stretch-knit cuffs Hood: Adjustable, insulated, low-profile StormHood™ with structured mini brim Hem: Durable stitched hem with dual adjusters Pockets: Two zippered hand pockets and an internal zip chest pocket; stows into chest pocket and clips to a carabiner for compact transport Sustainability: bluesign® approved materials with recycled content in insulation, lining, and shell; PFAS compliant