Mens Cerium LT Vest From Arc'teryxFabric: Arato 10 (100% nylon, 10D)Insulation:Main: European grey goose down (50g, 850 fill power)Panels: Coreloft 100 (100g/m²)Panels: Coreloft 40 (40g/m²)BreathableDWR finishDown Composite MappingChin guard2 zipped hand pocketsStuffsackTrim fitHip lengthWeight: 165gStreamlined and lightweight, the Men's Cerium LT Vest is intended primarily as a mid layer in cool, dry conditions. Strategic placement of synthetic and down insulation has Coreloft synthetic insulation, that retains warmth when wet, placed along the collar and shoulders – areas prone to contact with moisture. 850 fill European white goose down lines the core where warmth is most needed. DWR finish repels moisture so don't be afraid of being caught in light precipitation.Specialised construction sees light, elasticated hem; binding finishes and superior craftsmanship are the thoughtful attention to detail that allows the use of stronger fabrics that can stand up to everyday use. This is a piece you will want to live in.