• ATS® technology provides ergonomic support on uneven terrain
• Shock Shield® technology diffuses heel impact while absorbing shock and helping minimize fatigue
• Removable Energy Max anti-fatigue insole for maximum comfort
• X50™ cushioning for comfort and rebound
• Duratread™ sole is extremely durable while still letting your foot flex
• Shock-absorbing built-in heel cushion
• Six-row stitch pattern