The Performance Button-Up, crafted for the modern individual who values both style and functionality. Made from a premium blend of 90% Polyester and 10% Spandex, this button-up offers lightweight performance and superior comfort. Constructed from a lightweight performance fabric, our Performance Button Up is designed to keep you cool and comfortable all day long. The breathable, quick-dry, and moisture-wicking properties ensure you stay dry and fresh, while the four-way stretch fabric provides maximum flexibility and mobility. Featuring a chest pocket for added convenience, our Performance Button Up combines practicality with style. First model is 5'8 and 165lbs wearing a size medium Second model is 6'1 and 200lbs wearing a size large Our Best Selling Lightweight Performance Material Quick Drying and Moisture Wicking 90% Polyester and 10% Spandex Spread Collar and Left Chest pocket Fits true to size