NEW Sidi Ergo 3 Vent Carbon Sole®: Venting can be opened and closed for 4-season comfort. Vent Carbon Sole® is 38 g lighter than the Carbon Lite Sole® while maintaining the same stiffness. Redesigned Adjustable Heel Retention Device® increases airflow, reduces weight. Lower cut, wider design and softer, more compliant material improves ergonomics. Patented Techno II Buckle System and Caliper Buckle for easy on-bike fit adjustment. Soft Instep Closure System® and padded tongue eliminate pressure points. High Security Velcro® won’t shift or slip. NEW Vented Dual Density Insoles.
The Vent Carbon Sole® has two long airflow channels that deliver cooling air to the feet on hot days. For four-season comfort, the Vent can be closed. For Triathlon, Vent also functions to drain water.
The Vent Carbon Sole® is 38 g lighter than the Carbon Lite Sole® while maintaining the same stiffness.
To test the rigidity of the Vent Carbon Sole® SIDI engineers hung a 50kg (110 lb) weight from one shoe: sole flex was measured at only 1.4 m
