Froddo Barefoot River Trainers - Mint – Sporty Style, Extra Grip, Barefoot Comfort The Froddo Barefoot River Trainer in Mint combines a sporty look with all the benefits of barefoot design. Made with a premium leather upper, this everyday trainer features a chrome-free leather lining and a removable antibacterial insole for all-day freshness and comfort. It’s built on Froddo’s 'Extra Grip' barefoot sole—designed to provide improved traction while maintaining the same wide, foot-shaped fit. The sole is zero-drop, 5mm thin with a 1mm lug, and flexible to support natural movement with every step. With its clean design and barefoot functionality, the River Trainer is perfect for active kids who want a bit more grip without compromising on that natural barefoot feel.