The Brooks Ariel GTS 24 is all about breathable comfort and maximum stability. This shoe delivers unparalleled support for runners who need it most, without compromising on comfort or performance. The nitrogen-infused DNA LOFT v3 cushioning is soft and durable while Brooks’ GuideRails® technology helps keep excess foot motion in check. Combined with a roomy upper that still provides the lockdown you need to move comfortably, you’ll get excited to move every time you lace up the Brooks Ariel GTS 24. Details: Upper: An engineered mesh upper gives you a breathable and secure fit. Midsole: Soft, nitrogen-infused DNA LOFT v3 cushioning adapts to your unique stride and delivers durable comfort. Stability: GuideRails® are Brooks’ innovative technology that helps support your body in its natural motion path while keeping excess movement or overpronation in check.Outsole: Blown rubber outsole with HPR in the heel for added durability.