Features of the Carhartt Women’s Base Force Midweight Tech Bottom Midweight, force base layer Built with force FastDry Technology to wick sweat and dry fast Built to move with rugged flex stretch Technology Smooth flat lock seams, Y-split waistband, and contoured front for comfort Strategic seam placement to reduce chafing Stain fighting fabric stAres down heat and grime Takes the fight to odor and wins in a Technical knockout Superior wicking action makes perspiration a memory Fabric Details 100% Polyester Low Mini-Grid.