Our super-popular support shoe, the Adrenaline GTS 24, teams up with a GORE-TEX(R) layer in the men&';s Adrenaline GTS 24 GTX, a great option for extra protection during rainy-day runs. 68.8 % Recycled materials in the upper Features Waterproof GORE-TEX(R) layer GuideRails(TM) support Dynamic cushioning Breathable upper Specs Designed for Road Midsole drop 12mm Weight 11.2oz / 317.5g Feel under foot Balanced A blend of soft and dynamic cushioning that offers a smooth feeling with each step.