The FL3X Revolve is best ski boot for anyone looking to improve their stunt game, whether that be park, moguls or aerials. Featuring a Fully Heat Moldable Revolve Shell, 90 Flex Tongue, and an easy entry Intuition Tongue Liner. FLEX/FEEL: REVOLVE SHELL: Revolve Shell, offers the same fit and feel as the Raichle boots of years past, updated to withstand the rigors of today. Precise, snug, and proven, this 99mm last shell has become the definitive freestyle boot of the modern era. INTUITION TONGUE LINER: The Intuition Tongue Liner&&';;s laminates use multi-layered construction in a traditional tongue liner, designed to provide targeted comfort and performance in a familiar way. SHELL LENGTH (mm) MONDO POINT US SIZES - MEN US SIZES - WOMEN EU. ADULT UK ADULT 264* 22.5 - 5.5 36 3.5 266** 22.5 - 5.5 36 3.5 268*** 22.5 - 5.5 36 3.5 276* 23.5 - 6.5 37.5 4.5 276** 23.5 - 6.5 37.5 4.5 277*** 23.5 - 6.5 37.5 4.5 282*** 24.5 - 7.5 38.5 5.5 284* 24.5 6.5 7.5 39 5.5 286** 24.5 6.5 7.5 39 5.5 293*** 25.5 7.5 8.5 40 6.5 294* 25.5 7.5 8.5 40 6.5 296** 25.5 7.5 8.5 40 6.5 301*** 26.5 8.5 9.5 41.5 7.5 304* 26.5 8.5 9.5 41.5 7.5 306** 26.5 8.5 9.5 41.5 7.5 310 *** 27.5 9.5 10.5 42.5 8.5 314* 27.5 9.5 10.5 42.5 8.5 316** 27.5 9.5 10.5 42.5 8.5 318*** 28.5 10.5 - 44 9.5 324* 28.5 10.5 - 44 9.5 326** 28.5 10.5 - 44 9.5 326*** 29.5 11.5 - 45.5 10.5 334* 29.5 11.5 - 45.5 10.5 335*** 30.5 12.5 - 47.5 11.5 336** 29.5 11.5 - 45.5 10.5 344* 30.5 12.5 - 47.5 11.5 346** 30.5 12.5 - 47.5 11.5