best freestyle performance with minimal weight. full tilt has become k2 fl3x. as a result, the fl3x series offers the same classic 3-piece construction and an interchangeable tongue that is available in different flex levels.the fl3x revolver pro w is the lightest freestyle boot on the market and the perfect choice for all freestyle riders. it comes with a completely heat adjustable revolver shell, a 100 flex tongue, an intuition pro wrap liner and alpine sole. the revolver pro offers reliable performance and comfort like you've never experienced before.outer bootthe revolver shell offers the same fit and feel as raichle boots of years past but reworked to stand up to the demands of today. precise, tight-fitting and proven, this shell with 99 mm last has become the ultimate freestyle boot of modern times.linerthe laminate of the pro wrap liner has been specially developed to maximise energy transfer to the shell. at the same time, it offers unsurpassed ankle support and optimal performance without pinching.lacing systemthe cable closure encloses the boot like a lace for even pressure distribution, pleasant flex and high comfort. tightening the buckles does not restrict flex, unlike conventional boot designs.