The 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.Features Technical Features Moisture-resistant outer face fabric Breathable Insulated Lightweight Compressible and packable Versatile Wind resistant Construction Resilient Coreloft™ Compact 60 insulation retains loft Light, soft Tyono™ 20 is air permeable Performance stretch fleece side panels give ventilation Design & FitTrim fit for base layer or light mid-layer use Collar ConfigurationMid-height collar is insulated and fleece-lined, layers well Zippers & Fly Configuration No Slip Zip™ front zipper Custom TPU zipper pulls Cuff & Sleeves Configuration Stretch-knit cuffs Improved cuff construction increases durability, eases layering and removal Hem Configuration Laminated hem Dual lower hem adjusters Slight drop hem Pocket Configuration Internal chest pocket with zip Two hand pockets with hidden zippers Sustainability Contains materials that meet the bluesign® criteria Dope dyed lining fabric Fabric TreatmentDWR (Durable Water Repellent) finish repels moisture Specs Weight: 240 g / 8.5 oz Fit: Trim fit, Hip Length, Centre back length: 74 cm / 29.1 in Materials Side panel fabric - 100% polyester Coreloft™ Compact (60 g/m² ) insulation. Highly crimped, multi-denier siliconized polyester yarn that has undergone a special process which reduces the thickness of the material by 50%, without reducing its insulation value by the same amount. Lightweight, breathable, thermally efficient 100% polyester fibre. Tyono™ 20 denier shell with DWR treatment - 100% nylon