Kastle K150R factory 150

Built for World Cup racing, the Kastle K150R factory is an uncompromising alpine ski boot focused on precision, power and speed. Its aggressive 150 flex and narrow racing fit deliver direct responsiveness and confident energy transfer through every turn.

The K_Blend construction is engineered for demanding conditions, while aerodynamic K_Release buckles and a customizable WC liner support efficient power transmission. It suits competitive athletes and highly performance-focused skiers who prioritize maximum control on the course.