A TIGHT FIT THAT DRIES QUICK. The Nike Pro Top gives you a long-sleeve layer for cool conditions. Lightweight, stretchy fabric with Dri-FIT technology helps keep you comfortable while you train. Product Details Nike Pro fabric with sweat-wicking technology helps you feel locked in and cool. Lightweight, stretchy fabric lets you move comfortably. Tight fit for a body-hugging feel Body: 91% polyester/9% spandex. Panels: 92% polyester/8% spandex. Machine wash BV5588-452