Men's Aftco Adapt Phase Change Performance Hoodie 17818-M63159 Adapt Phase Change fishing shirt resets the bar for the performance shirts category. Utilizing a technology called Bio Base Phase change, the Adapt Fishing Shirt will react to changes in body temperature and react in a way that will keep you dry, warm, or cool; more importantly comfortable. This dynamic cooling and warming feature makes this shirt the best shirt year round to fish in. In the winter the shirt will retain body heat and keep you warmer, and in the summer, it will react to warm body temperatures and keep you cooler and drier. Features Active fit UPF 50 Thumb Holes Dobby Knit 84% Recycled Polyester 16% Spandex 160gsm Mesh side panels for venting Integrated ergonomic facemask SpeedVent™ active hood Quick dry, moisture wicking Adapt phase change technology Men's Aftco Adapt Phase Change Performance Hoodie