Merino - Very warm high quality wool, naturally antibacterial properties to keep you fresher for longer Antibacterial - Stay fresh & odour free for longer while walking and running Moisture Wicking - Actively wicks moisture away from your body and dries quickly Half Zip - Opens at the neck for more comfort, extra ventilation and a great look Lightweight - Comfortable materials designed for all-day wear during travel, holidays, and outdoor adventures without adding bulk or weight