With its featherless insulation and Thermic® stretch fleece panels, our Women's Cirrus Flex Vest provides core warmth while retaining excellent breathability and ease of movement. The sleeveless design of the Women's Cirrus Flex Vest eradicates bulk around the shoulder, enabling the full range of movement while keeping your core fully insulated. Designed to deliver an authentic down-like feel, our 3M featherless insulation stays warm while wet, making it ideal for damp British weather or for extended trips where rapid drying is vital. Additional features include an integrated stuff sack, fleece-lined chin guard and a pair of zipped handwarmer pockets, as well as a half-hem drawcord for a fine-tuned fit. Cirrus® powered by 3M featherless insulation (85g/2.9oz in size 12) Thermic® stretch fleece with grid face and brushed back panelling Atmos® rip-stop outer and lining fabric 215g / 7.5oz Fleece lined chin guard YKK® VISLON® front zip with insulated baffle 2 YKK® zipped hand pockets. Left pocket doubles as integrated stuff sack 2 Interior drop-in pockets Part lycra-bound armholes Half hem drawcord Fit: Slim