The Brooks Nightlife Equilibrium Long-Sleeve Top is part of a collection that is sure to catch the eye, no matter what climate greets you on your way out the door. It is designed to heighten visibility as you encounter cars on the road, and features bright color contrasting and 3M ScotchliteŽ retro reflective details. Made of 92% polyester/8% LycraŽ spandex. Imported.