The K2 BFC 100 is an all-mountain ski boot for men that balances support and cushioning on varied terrain. With a focus on fit and control, it’s designed to handle groomed runs, moguls and light off-piste with confidence.
This model features a 103 mm last and a high-volume shell, providing extra room around the forefoot and instep for skiers who need more space. The 100-flex rating offers firm support underfoot without feeling overly stiff, while the 2,045 g weight per boot keeps fatigue in check over a full day on the slopes.
The flex number indicates how much resistance the boot has when you lean forward: at 100, the BFC 100 sits in the “comfort” category for men, giving enough stiffness for good edge control without tiring out your legs. The 103 mm last measures the width of the shell across the widest part of the forefoot, defining its “high volume” fit and ensuring roomier space inside. These details together shape how the boot feels and performs from first turn to last.
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