Here's what other sites are saying:
The perfect all around next-to-skin layer from Salomon. The Cosmic Smartskin Zip Tee wicks moisture thanks to actiLITE fabric that dries quickly to keep you cool on hot days. A zippered chest provides extra ventilation when you need to dump heat and flatlock seams help reduce skin irritation under pack straps and on long runs.
- Mountain Gear refers to the men's version
Engineered to wick moisture and keep you comfortable, the Cosmic Zip T-shirt from Salomon is a simple choice when heading out to your favorite trail. Quick-drying polyester fabric speeds moisture to the surface where the airflow from your motion causes evaporation. Throughout your workout, the flatlock seams on the Salomon Cosmic Zip T-shirt slide smoothly over your skin, reducing chafing and increasing comfort. Quarter-length zipper offers instant ventilation. Active fit moves with you without binding.
- REI refers to the men's version