1The insole is designed with a outline heel cup and arch support to assure maximum comfort and arch support. 2Ventilation and perspiration, super soft material, hygienic, promotes blood circulation in the feet. 3Unique design, improving gait balance and foot strength, anti-slip, shock absorption, decompression. 4Good cushioning reduces impact on joints and muscles. 5Suitable for hiking, mountaineering, ball games, running and daily exercise, it will protect your feet from pain.