93% Polyester, 7% ElastaneMaterial wicks sweat & dries really fastUPF 40 protects your skin from the sun's harmful raysTextured, soft anti-pick, anti-pill fabric has a snag-free finishFour-way stretch material moves better in every directionUpdated placket with low-profile buttons for a modern, clean lookFlat knit ribbed collar Fuller cut for complete comfort