Rockport Men's Aderner Mov Toe Slip On- 100% Full grain leather Synthetic sole Weighing less than the average running shoe it's perfect for your daily marathon Strobel construction offers forefoot flexibility for the ultimate in walking pleasure Breathable mesh lining allows airflow to keep the foot cool and comfortable Remarkably lightweight EVA outsole is shock absorbent to ensure a smooth landing every time First-ever classic dress shoe engineered with an athletic sole was worn in the 1990 NYC Marathon for the entire 26.2 mile course