The Spira Classic Leather walking shoe with patented WaveSpring technology in both the heel and forefoot provides maximum cushioning and energy return. The shoes deliver exceptional comfort for serious and casual walkers, people who are on their feet throughout the day or for those who must stand for long periods of time. The Spira Classic has a stylish full grain leather upper with a one piece outsole which is made of high abrasion carbon rubber for durability and is wet/dry slip-resistant as well as stamped "SR Rated" for safety.