The boot that will push your skiing to the next level, the smooth and powerful Black Diamond Push will put you in the driver's seat.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. . This boot is compatible with telemark bindings. Triax performance frame for a lighter/stiffer boot; retains performance in varying temps. Power Fit Liner is thermoformable; unique Boa closure system. Flex 110 rated Triax-Pro Frame combines comfort and control. Forward flex offers exceptional torsional control that defies comparison. Four cinch closures ensure a precise and secure fit. Power strap at the top of the boot secures the foot. Boa liner-tightening system is lightweight, is easy to use with gloves on, and can be adjusted even with the boots on. Ski/walk mechanism is adjustable for different degrees of flexion. Not compatible with three-pin bindings. Black Diamond recommends this boot for its Verdict, Kilowatt, and Havoc skis.