Introducing the all new Apex VS family. Our lightest, most powerful, most compact ski boot design ever, delivering our best performing ski boots to date. The Open-Chassis is an innovative design that offers customizable flex independent of fit, along with stability and precise edge control. The Apex walking boot provides the superior mobility, comfort, and warmth of a snowboard boot that you can ski in all day long. BOA^® delivers micro-adjustable, precision fit, engineered to perform in the toughest conditions.