Merrell Men's Ngeo Polo Shirt 97% nylon/3% elastane Imported 28.5" Center back length Merrell Opti-Wick fabric transfers moisture away from your skin and dries quickly to keep you comfortable Merrell Ionic fabric performs like a synthetic but feels like cotton, combining wicking and UPF protection to keep you dry, coo 20+ UPF sun resistant fabric 28.5" Center back length