The fan-favorite Adrenaline takes another lap and this time it is even lighter and softer with smoother transitions than ever on the Brooks Men's Adrenaline Gts 25 Running Sneakers. A sleek engineered mesh upper delivers breathable comfort, while the nitrogen-infused midsole offers a responsive, adaptive ride that feels smooth and dynamic at the same time. Guide Rails technology helps keep your stride aligned and your knees protected, giving you consistent support from warm-up to cool-down.