Gore Magnitude 2.0 AS Vest
Here's what other sites are saying:
Conserve precious core warmth on your next cool-weather run with the Gore Running Wear Men's Magnitude AS Vest. This lightweight (4. 6 ounces) Active Shell vest with a WindStopper membrane blocks chilly breezes but won't weigh you down. Gore Running Wear even built in a race number holder and easy-reach pockets to make sure you're ready for race day.