Thermal Guard Pant by Columbia Sportswear

Wear the Thermal Guard Pants under hunting pants, ski bibs, or even khakis for that extra insulation needed in the coldest weather.  They're also great for wearing around the house in the winter.  Made of 100% polyester Helium Fleece with Columbia logo embroidered on back and drawstring waist.  Active cut-Fits close to the body.