THIS SHOE IS FOR: Runners who need a perfect blend of support, cushion, flexibility, and reliability. The modernized, streamlined design satisfies runners who crave a low-profile look.SUPPORT AND CUSHION: Provides just the right amount of stability and support, great for overpronation while providing high energizing cushioning. Ideal for road running, cross training, the gym or wherever you might want to take them! Predecessor: Adrenaline GTS 19BALANCED, SOFT CUSHIONING: The DNA LOFT Crash Pad cushions each footfall and works with BioMoGo DNA to adapt to your every stride.MODERNIZED FIT: A new streamlined, engineered mesh upper with 3D Fit Print offers the structure and proven fit the Adrenaline is known for-without excess bulk.GUIDERAILS HOLISTIC SUPPORT SYSTEM: We’ve shifted our focus beyond the feet to the most injury-prone part of a runner??s body: the knees. GuideRails keep you moving comfortably by keeping excess movement in check.