●The Heavyweight Bottom is a foundational next-to-skin baselayer that keeps the lower limbs warm during long periods of frigid inactivity while wicking moisture when on the move. With a comfort stretch fleece for warmth and channeled construction for added breathability and moisture management, the Heavyweight Bottom is perfect for cold weather days spent in a layout blind, stand or glassing in the backcountry. ●GORE OPTIFADE Concealment Open Country is scientifically optimized for engagement ranges of 50 yards and beyond at ground level in rocky terrain above the timber line. ●Fabric: Heavyweight Comfort Stretch Fleece (93% Polyester/7% Elastane). ●Polygiene Odor Control Technology safely neutralizes odor caused from sweat. ●Quick-dry, Comfort Stretch Lightweight Knit: Stay warm when the temperatures dip.