Zip up in midweight merino.Named after New Hampshire's Mount Isolation, the Minus 33 Men's Isolation Midweight Zip-Neck Top is built to keep you warm and dry when you make a summit push in the high mountains. This midweight merino wool shirt is ideal for cold-weather hiking and alpine touring, and the natural antimicrobial properties of the merino wool are nice both for you and your hiking or touring buddies. With its 1/4-zip top, you can get some extra ventilation when you need it. Merino woolNaturally anti-microbialForm fitting1/4-zip venting zipperFlatlock seamsMachine washable
