Cedars RWS Merino Mid-Wt Baselayer 1/4-Zip Top New with tags Size medium Midweight baselayer top for a variety of winter activities RWS-certified wool selected for eco-consciousness and animal stewardship Merino wool fibers offer natural odor-resistance and thermoregulation Recycled nylon fibers enhance durability and structure Zip neckline allows ventilation during high-output exercise Thumbhole cuffs keep sleeves in place while skiing and skinning Set-in sleeves with underarm gusset Armpit to armpit 17" Length 26.5"