Performance meets comfort for dedicated skiers. The Lange Concept 12 BOA® ski boots set a new standard for comfort and ease of use in an all-mountain ski boot. They combine our roomy Comfort Last and our Easy Entry and Exit design with Comfort Profile Tongue to make a boot that's easy to get into, fits great and performs great. Our Suspension Blade technology connects the upper and lower cuffs for smooth power transfer and confidence through every turn. Designed with the micro-adjustable fit of the BOA® Fit System and a customizable liner, the Concept 12 boots balance fit and performance to keep you focused on the fun. Their 120-rated flex is designed for advanced skiers seeking performance and precision without compromising fit and comfort. A simple adjustable insert on the cuff lets you soften the flex by 8%.