From Ariat, this shirt features: Button down collar Long sleeves Classic button-down Provides maximum breathability Moisture-wicking Odor-resistant fabric keeps you comfortable and dry Perforated fabric for maximum breathability AriatTEK is designed for optimal comfort in any weather ClimateTEK dynamically responds to your body temperature to keep you cool when things heat up FreshTEK sustainable odor-resistance Greater Arm Mobility lets you move freely Breathable mesh yoke Microfiber lens cloth is hidden in the hem for on-the-go cleaning Chest pocket Generous fit with extra length for tucking Breathable perforated Polyester Machine wash/tumble dry Imported.