SYNTHETIC VEST FOR MOUNTAIN SPORTS The Arc'teryx Women's Atom Vest is great for any mountain tour. The synthetic vest has a small pack size, so you can easily pack it and pull it out at the summit. It features a Coreloft Compact synthetic insulation that’ll keep you toasty warm. and it won’t absorb moisture thanks to a water-repellent coating on the Tyono outer material. A SUPER COMFORTABLE FIT Equipped with two drawstrings in the hem, you can adjust the fit to your liking. The soft fleece fabric on the sides and inside the neck will make you feel comfy on your hike with the Women's Atom Vest from Arc’teryx. The advantages at a glance: Lightweight synthetic vest for hill walking, mountaineering and trekking Athletic fit with stretch inserts on the sides Coreloft Compact synthetic insulation prevents you from cooling down too much Adjustable hem and multiple pockets