When the days are colder, the need for sturdy baselayers grows stronger. Enter the Smartwool NTS 250 Pattern Hoodie. Constructed from 100% merino wool, it is an excellent baselayer for very cold weather or can be used as a single layer for cold weather performance. It has a flattering fit and a hood that can be comfortably worn under your helmet. Thumbholes on the sleeves provide extra coverage without bulk. For the warmth you need and the style you want, get the Smartwool NTS 250 Pattern Hoodie.