evo.com | Arc'teryx Synthetic Jackets > The Arc'teryx Atom SL Hoodie is built for high alpine runners who need lightweight warmth without the bulk. Its ultralight, compressible design offers breathable insulation, wind resistance, and a moisture-resistant outer face to help manage changing mountain conditions while moving fast. Packable and durable, it's an ideal layer for long days above treeline where every ounce counts. Lining Recycled 20d nylon plain weave weft stretch FC0 DWR, 58gsm - 88% Nylon, 12% Elastane. Fitted This 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. FC0 DWR (Durable Water Repellent) finish repels moisture and is free from intentionally added PFAS. Synthetic Insulation Coreloft(TM) Stretch, 40gsm - 100% Polyester. Stretch synthetic insulation is breathable, warm, and light, adds freedom of movement, and is made with recycled content Articulated Patterning For mobility and comfort. | Women's Arc'teryx Atom SL Hoodie 2026 - Small Purple | Nylon/Elastane/Polyester