Like New Lululemon Mens Metal Vent Tech Polo Short Sleeve Shirt Size XL Heathered Gray Meet the ultimate technical training polo. Breathable and built with anti-stink technology, it was born to perform sweat after sweat. 100% Nylon Closure type Pull On Lightweight fabric is Sweat wicking fabric and 4 way stretch. Silverescent technology, powered by X-STATIC, is anti-stink and keeps your shirt fresh smelling. Mesh venting encourages airflow and keeps you cool. Engineered to feel like your favourite broken-in tee. 50% polyester, 48% Nylon, 2% X-STATIC nylon.