Dalbello avanti 90 mens ski boots these dalbello avanti 90 mens ski boots have been crafted with contour 4 fit technology which adapts so you get an excellent fit whilst the boots have a flex of 90 so you can get great control with on the piste these ski boots also benefit from the comfort density ulteva foam which supplies great comfort and dalbello branding completes the great look mens ski boots 4 buckle fastening comfort density ulteva foam pre shaped 3d toe box heat