From railing frontside groomers to pointing em' straight down pucker factor chutes on the backside, the burly Lange Men's SX 120 Ski Boot does it all with serious power. With a 120 flex index, the SX 120 is the stiffest in Lange's all mountain class, making it great for those who know only one speed: fast. Its natural stance brings optimal power and balance, while its Thermo Fit RL3 liner hugs your foot with precision and efficiency. A one piece toe box prevents toe crunch and toenail loss, and an instep pocket increases circulation and warmth. Anatomical padding holds the ankle in comfort and a one piece collar wraps the lower leg for strength and sensitivity. A 102mm last delivers all day comfort and high performance, so you can rip all day without having to unbuckle after every run. And for your dressing pleasure, softer plastic over the instep makes entry and exit easy. If a hike into untracked zones strikes your fancy, then the Ultra Grip vulcanize rubber sole will be a feature you'll appreciate.