The Evolver is built for the next generation of skiers. Based on the original Full Tilt boot & using the Revolve shell, this is the real-deal for younger & lighter skiers looking for the ultimate boot in any terrain from park to cliffs to bumps or cruising groomers. Fit Slightly narrower than average on the forefoot, nice open toe box, medium around heel. Cabrio design allows some flexibility on the height over the instep. Shell TPU clog, PP cuff, nylon tongue, mouldable. K2's FL3X 3-piece construction offers a smooth flex with no deformation of the shell, leading to better foot hold, increased control & enhanced shock absorption. The shell uses the Original design, with a 99mm last, meaning good foothold & precise ski control. The big difference is the cuff that is shortened to better suit smaller riders & make sure there aren’t excessive forces on the leg. The 3-piece construction ensures a super-smooth flex & removes any bottoming-out or blocking that you can get wit...