It adopts our new insole with innovative ergonomic hot-forming features and a high-density EVA support structure. Designed to provide unparalleled comfort and stability, this insole boasts an adjustable foot arch that conforms perfectly to your feet, ensuring even pressure distribution and a more comfortable experience. Say goodbye to discomfort and hello to a personalized fit with our advanced insole technology.

The Alpha 2.0 has undergone significant upgrades, including a lightweight carbon outsole that not only saves weight but also enhances stiffness. With a stiffness index rating of 12, it stands out as the stiffest outsole in the series. Furthermore, the shoe is designed with a wide vent inlet and deep internal channels to provide ample cooling airflow, aiding in the temperature regulation for maximum comfort during intense activities. 

https://santic.com/collections/cycling-shoes/products/santic-alpha-2-0-mens-carbon-road-bike-shoes