SmartWool Men's NTS Mid 250 Zip T Top 100% Merino Wool Knit in Vietnam Zipper closure 2" high 10" wide Slim Fit - Style: SW0NP603 Flatlock seam construction designed to eliminate chafing 10" (25 cm) center front zipper with semi-locking logo slider Shoulder panels eliminate top shoulder seams - Interlock Knit 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.