Avia - A2119m (Marine/Navy/Silver/White) - Men's: For the high mileage runner seeking top-of-the-line cushioning for an underpronated or neutral foot type. Lightweight synthetic and performance air mesh with reflective features. Removable molded Durapontex sockliner. Compression molded EVA midsole. Fom(tm), a cushioning material used in the heel and forefoot designed to mimic the action of the body's natural cushioning system. Ecto-Cantilever System with new plate design provides a more resilient, flexible and stable ride. Anatomical Cradle(R) literally cradles the foot to allow maximum shock absorption first by the shoe and then the natural fat pads of the foot. Solid rubber with exposed TPU shank.