Work out in comfort with the Patagonia Thermal Speedwork Zip-Neck. This jacket is fashioned using polyester and spandex that ensures greater breathability and all-day ease in wearing. The spandex allows you to move around freely without any hindrance. Featuring Thermal Speedwork fabric that ensures that you stay warm and cozy in this jacket. The Polygiene technology incorporated in the design prevents moisture accumulation and keeps you feeling dry, fresh. It also blocks out odor. This jacket features zippered pockets that can accommodate small essentials. The thumb holes allow you to keep your fingers and thumb warm.