THIS MENS SHOE IS FOR: The Adrenaline GTS 23 GTX is for runners who need support and want a smooth, reliable ride with waterproof protection. This Brooks Adrenaline GTS 23 GTX is a certified PDAC A5500 Diabetic shoe and has been granted the APMA Seal of Acceptance.. WATERPROOF PROTECTION: GORE-TEX Invisible Fit is bonded directly to the upper for a light, flexible fit that provides breathable waterproof protection from the elements. Ideal for road running, cross training, and the gym.. DYNAMIC CUSHIONING: New midsole features soft and lighter weight DNA LOFT v2 cushioning for a smooth, soft ride.. GUIDERAILS HOLISTIC SUPPORT SYSTEM: Our unique technology aligns your body in its natural motion path while keeping excess movement in check.. ENHANCED UPPER: Engineered Air Mesh and use of 3D Fit Print to enhance upper and deliver the structure and proven fit the Adrenaline is known for.