The Crank Boa® H4 is built for riders who want all-mountain support with freestyle freedom. Packed with tech and comfort, it’s ready to keep you charging all day with less fatigue and more stoke:
Boa® Fit System + H4 Coiler™: Lifetime-warrantied dials and laces for lightning-fast micro-adjustments and instant release.
True Form thermo-moldable liner: Custom warmth and fit that adapts perfectly to your ride.
3P Tongue + Articulated Cuff: Smooth flex, superior comfort, and support that moves with you.
OrthoLite® dual-layer footbed: Cushioned stability with eco-friendly materials for all-day confidence.
Durable rubber outsole + EVA midsole: Shock absorption and grip that keep you locked in on every run.
Flex 5 rating: Balanced flex for versatile performance across all terrain.
The Crank Boa® H4 isn’t just a boot—it’s your all-day shred machine, combining precision, comfort, and durability so you can ride harder, longer, and with more style.