US Sizing The Rides "360º fit" offers a sock-like comfort. This 18th iteration is lighter than its predecessor and further refines its cushioning: the standard PWRRUN foam has been removed from the midsole, and now the entire sole is cushioned with PWRRUN+ foam. Additionally, PWRRUN+ has been improvedit is now lighter and softer than before. The overall weight has been slightly reduced. Heel padding has been increased, and the upper is now more breathable and flexible. The durability of the outsole has also been enhanced. Thanks to its even softer cushioning, the Ride 18 is an excellent choice for logging miles in endurance training. - Designed for neutral pronation - PWRRUN+ cushioning for a responsive yet soft feel - FORMFIT structure ensures a secure fit around the entire foot - Breathable upper fabric for comfort - Stack height: 35 mm (heel), 27 mm (forefoot), 8 mm drop - TRIFLEX outsole provides excellent flexibility