Low-cut performance running sneakers for whole body support Engineered air mesh upper provides lightweight breathability Updated cushioning provides lightweight support GuideRails® support aids your feet, knees, and hips Flexible rubber traction outsole with a traction pattern for enhanced grip The Brooks Adrenaline GTS 24 Running Shoes are imported. The fan-favorite Adrenaline returns lighter, softer, with smoother transitions than ever on the Men's Brooks Adrenaline GTS 24 Running Shoes. Lighter cushioning helps this performance runner weigh in at a feathery-light 10 ounces while improving cushioned support so you can go the extra mile. Plus, GuideRails® technology reduces excess shin and heel rotation to keep your natural motion path to take it easy on your knees when you're pounding the pavement.