Warm weather essential. The Nike tank is a running staple. Sweat-wicking technology helps keep you dry, while a sleeveless profile lets you move freely through your stride. It's perfect for warm-weather routes or as a lightweight layer. Quick-drying fabric. Jersey fabric with Nike Dri-FIT technology helps you stay dry, comfortable and focused. Reflective pop. A reflective Swoosh design trademark at the back neck helps you stand out from the crowd. Comfortable coverage. Updated design provides full-bra coverage.