SIDI Performer LEI Boot for WomenSPECS Shaped shin plate with air channels for protection and comfort Soft arch area and internal external ankle pads for added support Soft polyurethane calf exhaust with mesh protection for ventilation Smooth heel cup enhances grip on the bike Shift pad for precise and smooth gear changes Zip elastic panel for smoother zipping, aided by elastic flexibility Replaceable slider options (nylon, ceramic, or aluminum) and durable rubber top sole for a