The Brooks Men's Source 9" Short Tight in Black is engineered for speed and comfort with a lightweight, run-ready design. Crafted from 78% polyester and 22% spandex, the fabric features DriLayer Horsepower technology for durability and moisture management. The pull-on style boasts a 9.25-inch inseam and a new flat waistband with an internal drawstring for a secure fit. Two drop-in hip pockets provide convenience, while the streamlined construction with minimal seaming reduces weight and chafing.