If face-melting speeds, sphincter-clenching cliff drops, and massive straightlines are in your future, count on the Dalbello Men's Krypton Pro I. D. Ski Boot to join you for the ride. Designed with a center-balanced Rocker stance to optimize performance on ultra-wide and rockered skis, the legendary Krypton features a 130 flex and precise 98mm last that provide expert-level performance, power, and sensitivity for charging big lines, hucking cliffs, and pushing the envelope. The Krypton's shell and cuff are made of rigid polyurethane for bomber lateral stability and power transmission at speed, but the Kinetic Response tongue (make that tongues--it comes with interchangeable stiff and medium offerings) is made with polyamide for a smooth, progressive flex that's comfortable when you're cruising and provides burly stiffness when you don't want anything wishy-washy on high-consequence lines. This three-piece design--Cabrio architecture, Dalbello calls it--is the company's signature, and it's tough to argue with the results. Of course, all the fancy designs in the world are irrelevant if the boot doesn't sit well on your foot, but the Krypton's designed to fit like a glove, with multiple canting, flex, and lean adjustment options in addition to the heat-moldable I. D. Thermo Pro heat-moldable liner and ergonomically designed Contour 4 shell fit. The buckles are also built to help dial in the perfect fit--the midfoot Dynalink rearfoot retention system attaches to the shell, rather than the cuff, to pull your heel into the heel pocket without interfering with the boot's flex, and the toe buckle closes on top to push your foot down into the bootboard (again, the Krypton comes with both firm and shock-absorbing options) for a slop- and pinch-free fit. Taken all together, this gives the Krypton sensitivity, power, and precision that most big-mountain-freeride boots just can't match.