Air Mesh for breathability. Synthetic overlays are strategically located for a snug, secure fit. Engage sockliner for additional underfoot comfort. BioMoGo DNA for resilient cushioning and is made of environment-friendly, biodegradable material. Full-length S-257 Cushsole for cushioning and flexibility. Heel segmented crash pad for a smooth heel-to-toe transition. Universal Sprung Platform for a consistent feel under the foot. HPR Plus in the heel for durable traction. Blown rubber in the forefoot for durability, responsiveness, and flexibility. Forefoot Cush Pod Configuration sets the foot up for an efficient, balanced heel-to-toe transition.