The AFTCO Men's Adapt Hoodie is built with the highly innovative bio-based "Phase Change" fabric that intelligently reacts to changes in body temperature with dynamic cooling and warming. Phase Change technology resets the bar in the performance category making this a go-to cooling and warm fishing performance shirt. Essential features include UPF 50, SpeedVent hood, and mesh ventilation panels.F eatures84% recycled polyester, 16% spandex 160gsmUPF 50 sun protectionAdapt phase change technologyQuick dry, moisture wickingSpeedvent active hoodMesh side panels for ventingThumb holes