HELLY HANSEN MENS MERINO CREW BASE LAYER BLACKMens merino wool crew neck base layer for thermal regulation and moisture management Our Men's Merino Crew Base Layer is a high performance base layer designed to provide warmth and comfort during winter activities. It features a crew neck and is made with the softest, ZQ certified merino wool, a third party audited wool standard that requires growers to adhere to the best farm management practices. Merino wool is a soft and natural choice for thermal