Bones X Formula V1 Standards Skateboard Wheels 99a 52mm burton -Crew: A classic sock height

-Crew: A classic sock height that hits the mid-point of your lower leg

this true twin shape offers versatility for riders who want to charge hard in any direction while maintaining the float needed for deep snow adventures

Fitted with Intuition™ Mobile Wrap Liner and mixed with a traditional lace and our BOA® powered Tongue Tied™ Fit System

Response: 5/10

0 by Mammut® compatible (sold separately) with RollTop closure

Bones X Formula V1 Standards Skateboard Wheels 99a 52mm burton -Crew: A classic sock heightAbout: The amazing new X Formula (XF) is another industry leading innovation from the BONES WHEELS factory. X Formula rolls over rough terrain like softer wheels do, but slides much like a harder wheel will. Speed: X Formula is extremely fast because it has a super high rebound. X Formula rolls much smoother and faster on all terrains because it absorbs vibration and softens impacts much better than any other wheel in the market. Grip & Slide: The