Here's what other sites are saying:
Duofold Varitherm Collection:The ultimate in thermal protection, freedom of movement and moisture management required for all cold weather activities. Varitherm fibers retain body heat and move moisture in a wide range of changing activity levels. The 360 stretch provides comfort and freedom of movement for every weather condition. From a versatile single layer midweight to a two-layer expedition weight the Varitherm collection provides unprecedented performance.96% polyester, 4% Lycra spandex elastane knit.Mid-weight jersey knit for moderate warmth.360 stretch for optimum performance fit.Body sized to achieve close-to-body fit.Varitherm fabric offers the ultimate in moisture control with wicking waistband for total moisture control.Quick drying.Flatlock seam construction.No pill finish.Avg. wt. 7oz.Import.