The Atom Hoody is the ultimate solution to unpredictable conditions across every season. Designed to perform as a standalone jacket on chilly forest hikes, breezy crags, and cool campsites, it transitions seamlessly into a midlayer for winter touring and wet-weather outings. Built with resilient Corelofta" Compact synthetic insulation that retains warmth even when damp, paired with air-permeable face fabrics and flexible stretch fleece side panels, this versatile layer delivers breathable warmth and unrestricted motion for high-output pursuits. Fit & Design: Fitted cut stays close to the chest, waist, and hips to eliminate bulk and layer easily Articulated patterning provides ergonomic mobility and comfort Performance stretch fleece side panels promote active ventilation Adjustable, insulated, low-profile StormHooda" with a structured mini brim No Slip Zipa" front zipper with custom glove-friendly TPU pulls Stretch-knit cuffs provide a secure, comfortable wrist fit Two zippered hand pockets with hidden closures Internal zippered chest pocket for secure small-item storage Durable stitched hem equipped with dual adjusters to seal out cold drafts Garment center back length: 29 in. (73 cm) in size M Technology: Corelofta" Compact 60 (60 g/mA^2) synthetic insulation is light, breathable, resists packing out, and warms even when wet Light, soft Tyonoa" 20 face fabric is wind-resistant, moisture-resistant, and air-permeable Breathable 20D recycled nylon lining aids in temperature regulation with next-to-skin comfort FC0 DWR (Durable Water Repellent) finish repels light moisture and is intentionally free of PFAS Compressible, packable construction stows away easily Additional Details: Contains materials that meet bluesignA(R) criteria and recycled content Care instructions: Machine wash gentle low; tumble dry gentle low; do not bleach; wash dark colors separately; do not dry clean; do not iron; do not use fabric softener; double rinse; do not wring