Nordica Cruise 90 Ski Boots With a flex index of 90, Nordica Cruise 90 ski boots provide medium resistance against a forward lean, appropriate for most intermediate skiers Natural Foot Stance (NFS) enhances performance, precision, balance and requires less effort by putting your feet in a natural angled stance The Nordica Cruise 90 ski boots feature extra-wide lasts that accommodates a forefoot measurement up to 104mm for a generous fit Hand-stitched liners snugly wrap feet in cushioning foam and offer large toe boxes to improve circulation and warmth; closed-cell foam against the shells enhances warmth Top of the boot a little tight? Cuffs feature an adjustable hex nut that increases the circumference of the top of the boot by 3 - 5mm and relaxes the angle of the boots