evo.com | Arc'teryx Synthetic > Introducing the Arc'teryx Atom Jacket: the lightweight insulating warrior that laughs in the face of unpredictable weather! Designed with the precision of a Swiss timepiece and the flexibility of a yoga guru, this hood-less wonder is your ticket to conquering the great outdoors in style. With its insulating prowess and sleek, minimalist design, the Atom Jacket will have you smiling through cold weather while staying cozy and ready for whatever nature throws your way. Skiing, camping, climbing, or just commuting to work, the Atom Jacket doesn't miss. Fitted A trimmer fit is patterned to stay close to the body through the chest, waist, hip, and thigh. Its low profile eliminates bulk, moves with the body, and fits comfortably over first layers or under outer layers. Stretch Fleece 94% Polyester / 6% Elastane Face 100% Nylon Tyono(TM) 20 Denier Shell with FC0 DWR Treatment Stretch-Knit Cuffs This product may contain chemicals known to the State of California to cause cancer, or birth defects, or other reproductive harm. | Arc'teryx Atom Jacket Men's 2026 - Medium Red | Nylon/Elastane/Polyester