SmartWool Men's NTS Mid 250 Crew Top 100% Merino Wool Knit in Vietnam Machine Wash Flatlock seam construction designed to eliminate chafing Shoulder panels eliminate top shoulder seams Crew neck with set-in sleeves Form fit - Interlock knit - Style:SW0NP600 Machine Wash Warm, Gentle Cycle Wash With Similar Color Do Not Bleach Tumble Dry LOW Cool Iron When Needed Or Dry Clean - For best appearance, wash garment inside out and flat/line dry.