Merrell Men's Kalamatan Short Sleeve Shirt 78% nylon/ 22% polyester Imported 30.5 Center back length (size large) Sizes: S-XXL Merrell Opti-Wick fabric transfers moisture away from your skin and dries quickly to keep you comfortable and dry 78% nylon / 22% polyester Quick-drying Back pleat enhances range and mobility Concealed secure-zip chest pocket safeguards valuables Discreet mesh-lined side vents with invisible zippers Merrell woven logo label on pocket Metal-encased clear plastic buttons Roll-up sleeves with herringbone tab closure add relaxed style