Details Crew neck design Soft, silky fabric with lightweight design for breathable feel Moisture-wicking fabrication to move sweat away from your body, keeping you cool, dry, and comfortable Fair Trade Certified Sewing for a conscious purchase Polygiene treated fabric for greater odor control 35 UPF rated sun protection Patagonia tag in front Fabric Main body: (100% Polyester), soft, silky, lightweight fabric for breathability and efficient moisture transfer