The ScentBlocker Men's Koretec Polar Weight Scent Control Base Layer Pants are your go to, hardworking first layer. ScentBlocker's exclusive S3 technology helps keep stink down while keeping you warm, without breaking the bank.Features:S3 Silver Antimicrobial Technology For Odor PreventionFleece Fabric Keeps You Warm When The Temperature DropsElastic waistband for a secure fitFlatlock Seams to Ensure All Day ComfortTapered legs or easy layering