Ariat® Pro Series Western shirts combine advanced comfort features with performance fabric technologies for professional riders and horsemen. Our classic shirts are our most generous fit with an extended body length for tucking Durable fabric and construction with double needle reinforcement topstitch Greater Arm Mobility seam construction for maximum range of motion Sun Protection Fabric™ provides protection from sun rays Moisture Movement Technology™ (MMT™) Mesh-lined yoke and grommets for extra breathability Yarn-dyed Underarm gusset Taped placket and back neck seam 85% cotton, 15% polyester ImportedPro Series Dayne Classic Fit Shirt Men's Pro Series Dayne Classic Fit Shirt in Phantom CottonPolyester, Size: Large_Tall by Ariat