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. Whether you’re heading to the office, meeting friends for lunch, or exploring the outdoors, this versatile shirt has you covered.  Russ, standing at 5’8’’ and weighing 165 pounds, finds a size Medium to be his perfect fit.  Our Best Selling Lightweight Performance Material Quick Drying and Moisture Wicking 91% Polyester and 9% Spandex Chest pocket  Fits true to size