Men's Brooks Adrenaline 24 Running Shoes Size 12 Blacks/Black New- never worn. Engineered air mesh upper provides breathability, stretch, and structure for an accommodating fit GuideRails® holistic support system adds support by keeping excess movement in check, aiding your feet, knees, and hips Nitrogen-infused DNA LOFT v3 midsole foam delivers soft, smooth cushioning that adapts to your unique stride for lightweight comfort mile after mile.