Introducing the Merino Wool Long Sleeve. This double knit fabric is designed to sit comfortably close to your body, the long sleeve is constructed with flat-lock seaming throughout to prevent chafing and maximize mobility during those long brisk runs. Complete with thumbholes at the cuff as an extra layer of warmth. Branding details include our new woven jacquard label at the front body, and our classic reflective current at center back.