From The North Face, this tank features: Crew neck Sleeveless Slim fit Recycled polyester knit pique with FlashDry™ Back panel of recycled polyester knit mesh with FlashDry-Pro™ FlashDry™ materials that offer enhanced moisture management to help keep you comfortable Body-mapped FlashDry-Pro™ materials in the back panel that actively pull moisture away from the body to help keep you feeling dry and comfortable during activity Anti-odor technology Reflective heat transfer logo on the left chest Recycled polyester Machine wash/tumble dry Imported.