- Rubber Kinetics | DST 4.0 MAX GRIP Rubber Outsole - Recessed toe and heel for hike-a-bike situations - Welded microfiber upper is abrasion and weather resistant - Asymmetrical medial collar with D3O impact protection - Custom-molded rubber toe cap and heel protection - Medial high-rise EVA midsole provides support and shock absorption - D3O High Impact Zone Insole Technology absorbs impact and reduces fatigue - Fully gusseted tongue prohibits intake of dirt and debris - Elastic lace tuck