the full tilt drop kick is back and better than ever: k2 flex revolver. the new k2 flex revolver comes with a soft flex and offers you full performance in the park. formerly known as full tilt drop kick, this ski boot now unfolds its full potential as a revolver.its revolver shell is 100 % customisable, while the 90 flex tongue and intuition tongue liner provide comfort and tweakability. you can change the tongue to adjust the flex to your needs. this ski boot is perfect for long days in the park. outer bootrevolver shell meets today's requirements. precise, close-fitting and proven, this 99 mm lasted shell is the shell of the modern era. the ribbed tongue allows for a smoother, more natural linear flex from shin to toe. the tongue bends like a flexible straw and provides a smooth rebound. unlike traditional designs, the rear cuff pivots infinitely and smoothly forward with the calf for less shin pain and more control. thanks to the quickfitâ„¢ system, all fl3x boots - including the shells - can be adjusted to the exact needs of your foot. this model is equipped with iso 5355 soles made of tpu and a softer material to give you grip, which you can swap for grip walk outsoles if you want. linerthe intuition tongue liner laminates use a multi-layer construction in a traditional tongue liner to deliver targeted comfort and performance in a familiar way. j-bars provide additional heel support.lacing systemthis ski boot comes with durable aluminium levers, with minimalist, lightweight design. this adjustment mechanism is designed to increase precision and durability while allowing quick, one-handed micro-adjustment. the velcro power strap provides additional support in the calf area.