Experience versatile layering with the Outdoor Research's Vigor Quarter Zip Pullover, engineered for mountain athletes who demand performance in variable conditions. The grid fleece construction paired with ActiveTemp technology creates an intelligent thermal system that regulates moisture and maintains airflow during intense efforts. Deploy it as a core midlayer against harsh alpine conditions or transition it to an outer shell when temperatures moderate. Thoughtful details include flat seam construction for chafe-free movement and a secure zip chest pocket for essentials. Built for those who refuse to compromise between comfort and capability. Grid-Back Fleece: 94% Polyester 6% Spandex