You'll end up keeping the Arc'teryx Women's Atom LT Hooded Insulated Jacket close by throughout the year. Wear it by itself from spring to fall on chilly, outdoorsy adventures whether you're backpacking or hiking, and then slide a waterproof shell over it for ski sessions in winter. Its Tinthan shell keeps the Atom LT light yet strong, and the DWR coating sheds light rainfall to help keep you dry. Polartec Power Stretch side panels wick moisture, dry quickly, breathe, and provide a four-way stretch for uninhibited mobility. Arc'teryx also added Coreloft insulation that uses air permeable panels to ensure excellent thermal regulation. A trim fit helps you layer over the Atom Lt with ease, and the StormHood is adjustable, insulated, and helmet-compatible. This jacket also features an adjustable hem for a secure fit, two zippered hand pockets, and one zippered internal chest pocket.