Combining a lightweight, touring focused design with freeride performance, the Black Diamond Quadrant Ski Boots are the most versatile boots Black Diamond makes. With 40deg of resistance free motion getting to your stash is a breeze, while a 120 flex and four buckles will let you charge descents. This product will be shipped directly from Black Diamond and will leave their warehouse in 2 3 business days. Eligible for UPS ground shipping only. . Flex 120. 40deg of resistance free touring motion is perfect for long days. Easily change between ski and walk mode with the flip of a switch. Locking QuickWire buckles. Plastic liner tongue for a smooth, evenly distributed flex. Wide power strap. AT liner with articulated flex zones and taped seams for all day cold weather touring comfort. Rockered rubber outsole for incredible grip and durability. Integrated tech inserts. 103 mm V shaped last. 100% thermoformable.