Features: Dynamic cushioning. Nitrogen-infused DNA LOFT v3 midsole foam delivers soft, smooth cushioning that adapts to your unique stride for lightweight comfort mile after mile. GuideRails Holistic support system. Brook's innovative technology supports your body in its natural motion path while keeping excess movement in check. Enhanced upper. Engineered Air Mesh upper provides just right breathability, stretch, and structure for an accomodating fit. RoadTack Rubber outsole is made with recycled materials and offers lightweight durability and rebound. Experience - Cushion. A smooth floaty-feeling run thanks to plush cushioning designed to help you enjoy and savor your run. Specs: Heel-to-Toe Drop: 12 mm Weight: 283.5g/10.0z Support level - Support