Details The Arc'teryx men's Atom LT Vest is a proven performer across a range of seasons, landscapes and activities. Elevated with advanced insulation and material technologies, this versatile vest delivers its best, most versatile performance ever. Coreloft™ Compact synthetic insulation retains warmth if wet and withstands years of packing and unpacking, and the breathable, durable Tyono™ 20 shell resists wind and light weather. Stretch fleece side panels aid ventilation and freedom, and the entire vest packs into its own pocket. Material Synthetic Insulation: Man-made insulation with quick dry times, durability and retains warmth when damp. Fit Trim fit, Hip Length Centre back length: 74 cm / 29.1 in Details Light, durable and wind resistant Tyono™ 20 is air permeable Warm, resilient Coreloft™ synthetic insulation is body mapped for improved thermal performance No Slip Zip™ main opening, zippered hand pockets, internal zippered chest pocket Zippered hand pockets Internal zippered chest pocket DWR (Durable Water Repellent) finish repels moisture Weight 240 g / 8.5 oz (Size M) Arc'treyx Atom LT Vest Men's