The men’s Brooks Source Tight gives you everything you need for your speediest workouts. Brooks designed the Source Tight for a semi-compressive fit. The stretchy polyester-spandex blend fabric gives you a snug feel without being restrictive, and its fitted cut gives you maximum range of motion. Designers reworked the flat waistband for improved comfort, and they added a drawstring for even more security. With large drop-in side pockets that can fit your phone, the Brooks Source Tight a high-performance tight with a minimalist feel.