Outfitted with Columbia Sportswear patented thermal reflective technology, soft, ultra toasty synthetic insulation, and distinctive microcell baffling seams, the lightweight, water resistant Columbia Women's Microcell Jacket supplies sleek protection from cold, wet weather in any season. 100% nylon ripstop shell fabric is water resistant. Omni HEAT thermal reflective 100% polyester lining. Synthetic down 100% polyester insulation. Drawcord adjustable hem. Binding at cuffs. Active fit. Center back length: 25.