Columbia Womens Double Up Thermal Top Shimmer X-Large Shred down the side of the mountain in the Columbia Women's Double Up Thermal Top. This top provides female riders with the comfort, protection and style they look for when spending the day on the mountain or spending time in the lodge Body skimming fit Shell: 58% cotton/39% polyester/3% elastane waffle 97% cotton/3% elastane 2-way stretch