The Mens Terramar Filament Silk Pants are lightweight yet incredibly strong. Made from 100% Pure Filament Jersey Silk, the Filament Jersey Silk Bottoms are soft and supple with a natural stretch for all day comfort. This Terramar Thermasilk Base Layer features ec2 Qwik-Dri technology to lift moisture away from skin for rapid evaporation. Other features include covered elastic waistband, rib cuffs with spandex, and a fly front. The Mens Terramar Filament Silk Pants are an ideal base layer.