Nike CHALLENGER FLASH Nike CHALLENGER men's running shorts, designed with sweat-wicking, lightweight, and breathable fabric, offer a loose fit that maximizes your range of motion, making them ideal or running, training, or for yoga. These versatile shoes are designed for more than just running – they come equipped with a convenient back pocket that can accommodate most phones. Plus, the reflective graphic motifs ensure you can train anytime, even in low-light conditions. Nike CHALLENGER FLASH