The Brooks Brothers Performance Series. Brooks Brothers was an early pioneer of active style, starting with our iconic Oxford Cloth Button-Down worn by polo players. This collection of active sportswear redefines style and movement. Versatile from course to commute, with a range of performance features. Performance properties: moisture wicking, anti-microbial, UV protection. Heat transfer logo at center back.89% Polyester, 11% SpandexMachine Wash according to care instructions for best resultsImported | Brooks Brothers Men's Performance Series Full-Zip Vest | Navy Heather | Size XS