Independently functioning heel / instep closure assembly

Minimizes foot sliding, heel lift and boot shell distortion during flex effectively

Highly resilient polyamide flex ribbed tongue

Stays in permanent contact with the leg

Improved responsiveness and control

Interchangeable flex stiffness

Burly cuff lock mechanism frees the upper cuff from the lower shell

Long range of motion for highly functional hiking and climbing

No compromise on skiing performance due to unique Cabrio design