The Karbon Mercury MenGÇÖs Zip Turtleneck Top is a next to skin layer that wicks moisture away from the body to reduce evaporative cooling Made with mesh inserts for superior breathability a soft brushed interior and flatlock seams to eliminate skin irritation and chaffing the Mercury is an exceptionally comfortable layer Layer the Mercury Top under a ski coat for a fully functional thermal regulation system 100pct polyester fabric 1/4 zip pullover for easy layering Breathable and moisture wicking to keep you dry and warm Flatlock seams to prevent chafing against skin Brushed Interior feels soft against skin Mesh inserts enhance breathability