The Anthem 105 Boa is a women's alpine ski boot from the brand K2. A revolution is underway with this new Anthem line, making alpine ski boots significantly lighter and more agile. Weighing in at 3160 g, it is one of the lightest alpine ski boots ever made. It offers a perfect balance of agility, power, and comfort. The Anthem is a performance-oriented boot that provides incredible power and good support thanks to its shell and high-density foams in the liner. In addition to its weight, there are many innovations in the boots of this line. The Fastfit Instep with its softer entry makes putting on the boots a breeze. Fitting into your boots on a cold February morning is now just a distant memory. The Energy Interlock technology eliminates the usual rivets, giving the boot a more progressive and responsive flex. The Powerlite shells and Precisionfit / Luxfit Pro liners included in all boots of the line are fully thermoformable, allowing you to customize your boots as much as possible. Tailored to pamper your feet. The liners are made from high-quality Ultralon foam and feature asymmetrical tongues that better conform to your body shape. The Anthem 105 Boa version comes with the LuxFit Pro liner featuring a pre-shaped ankle for an ultra-comfortable fit right from the first wear. With a flex of 105, it offers medium stiffness in the line and is ideal for advanced female skiers who are tired of tight feet and pain. Its BOA® Fit System provides customized performance and precise, quick adjustments.