worn once. Excellent condition. Rubber sole THIS MEN\'S SHOE IS FOR: Runners looking for a supportive shoe that\'s soft and smooth, the Adrenaline GTS 21 offers an improved ride and reliable support for however your body moves so you can forget the shoes and enjoy the run. This Brooks Adrenaline GTS 21 is a certified PDAC A5500 Diabetic shoe and has been granted the APMA Seal of Acceptance. 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 20 BALANCED, SOFT CUSHIONING: The DNA LOFT Crash Pad cushions each footfall and works with BioMoGo DNA to adapt to your every stride. MODERNIZED FIT: A 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.