The Mountain Hardwear Women"s Microchill Zip T is a lightweight and durable pullover perfect for a walk when the sun goes down or as a layer on your next skiing adventure. Made with polyester Microchill Fleece fabric for warmth and comfort. The high-cut collar with 10-inch zip helps when the wind is blowing or you need to get rid of a bit of chill. A good piece for the ski or sailing gear bag. Flat-lock construction adds comfort and reduces any chafe. Stretch-grid side panels for better fit and freedom of movement. Fleece-lined chin guard prevents zipper chafe. Sizing (Bust): XS: 33", S: 34-35", M: 36-37.5", L: 39-40.5", XL: 42".