The Kari Traa Alma Half Zip is the lightweight, technical base layer you’ve been waiting for. Body mapping technology and strategic rib, neck, and underarm Tencel panels wick away moisture. A polyester/wool blend on the chest and arms insulates without overheating while a half zip allows you to customize ventilation. The high chin safeguards your face from stormy elements, and thumb loops add another layer of protection. Perfect for uphill skiing or any other aerobic endeavor.