Here's what other sites are saying:
Ready to shave a couple seconds off your time? The Equilibrium T-shirt from Brooks helps regulate your temperature so you can focus on your training. Moisture-wicking, quick-drying polyester is blended with spandex for top-notch performance and high mobility. Mesh inserts under arms increase ventilation. Flat seams feel comfortable against skin; reflective highlights increase visibility in low light from any angle. The Brooks Equilibrium T-shirt offers a close-to-body fit.
- REI refers to the men's version
CLOSEOUTS . Brooks Equilibrium T-shirt is designed to steady your body temperature while keeping you dry for a productive run each time. Equilibrium fabric wicks moisture and balances body temperature Short sleeves Fabric: 90% polyester, 10% spandex Care: Machine wash/dry Made in Vietnam Available Colors: BLACK/SLAM, EARL/MEDITERRANEAN, WHITE/EARL, SLAM/EARL. Sizes: S, M, L, 2XL, XL.
- Sierra Trading Post refers to the men's version