Reebok - Trail DMX Max (Ghost/Grey/Black/Triathalon Red) - Men's: New, improved DMX Max provides comfortable moving air cushioning. Suede/mesh upper provides comfort, support and breathability. Beveled heel construction provides and enhanced heel strike area. Opti-Flex Zone provides forefoot flexibility. Contoured transition bridge provides midfoot arch support. Removable PU sockliner provides improved comfort and accomodated orthotics. Reflective material for night visibility.