Looking for warmth that really lasts? Look no further than the Smartwool Thermal Merino Rib Crew. This women's top features 100% Merino wool fabric made with an interlock knit designed for enhanced comfort, breathability, thermoregulation and odor resistance. So every cold weather activity looks (and feels) good.Details: Fit: Regular Smartwool's regular fit is intended to help give you room to move without additional bulk Fabric helps combine the moisture management, temperature regulation and odor resistance of 100% Merino wool with interlock knit for comfort Set-in sleeves designed to help increase comfort