For dark-o‰۪clock starts, you need technical insulation that keeps you dry when you‰۪re working and warm once the action slows down. The micro-grid fleece interior of our Capileneå¨ Thermal Weight provides the greatest warmth combined with the greatest breathability of any baselayer in our lineup. Soft, stretchy and compressible, the Polartecå¨ Power Grid‰ã¢ fabric has a smooth face that glides beneath layers and a brushed fleece interior to warm your core, wick moisture and feel smooth against your skin. Capileneå¨ Thermal Weight has 30-92% recycled content and is treated with Polygieneå¨ permanent odor control. Features include a flat waistband with brushed inner elastic for next-to-skin softness, a gusseted crotch for mobility and flatlock seams to minimize chafing.