Get ready for your next 5K or go all way and train for a marathon in these Kayano distance runners Engineered stretch knit mesh upper made from 75% recycled materials Reflective detail to improve visibility PureGEL rearfoot technology is strategically positioned the heel for a 65% softer ride than the conventional GEL technology Adaptive 4D Guidance System FF Blast Plus Eco cushioning is made with approximately 20% bio-based content and helps provide cloud-like comfort External back heel counter helps keep the foot stable and provide a more comfortable stride AHARPLUS heel plug Asics Women's Kayano 30