Stability | Medium Cushion | 6mm heel drop Run with Confidence. The Guide 18 elevates comfort to new heights with enhanced PWRRUN cushioning, providing more protection than ever before. Our innovative CenterPath technology ensures you stay secure and confident with every step. This daily running shoe also features a redesigned upper with breathable mesh for improved airflow and a padded heel collar for a snug fit. Go further with the Guide 18. CenterPath Technology A broad base platform underfoot with higher sidewalls cradles the foot so you can roll smoothly with peak protection mile after mile. Max Comfort PWRRUN cushioning and PWRRUN+ sock liner give you maximum comfort and a soft feel from the moment you step in. Fresh + Secure Feel Updated heel collar foam offers a locked-in feel and new engineered breathable mesh allows for a fresh feel from start to finish.