ColdPruf Men's Pro-Tek Single Layer Bottom 100% Recycled Repreve Polyester Imported Tagless Garment with Flat Seams for Comfort Comfort Logo Waistband with Front and Back Rise and Gussets True Sizing for Accurate Fit Thermachoice System: Cold to Very Cold Weather / Medium to High Activity Moisture Management and Antimicrobial Protection of Fabric by Microban