Reebok Apparel Men Strength Shorts 2.0 Vector RedIs it boot camp day or heavy lifting? Doesn't matter as long as you have these men's Reebok training shorts in your gym bag. They're built to perform no matter the test, with Speedwick technology and a mesh back panel to keep you cool and dry through the last box jumps and final hill climb. The PerformBand waistband is designed to lie flat and stay put with an internal drawstring, and side slits at the hem give you full range of motion.