- Totally new race boot incorporating TWINFRAME technology, a combination of rigid material along the sole and up through the oversized pivot designed to improve transmission and control, with 360 Custom Shell over the entire instep and forefoot to improve snow feel and fit. X-Max has a completely solid sole, maximizing on-piste precision. Oversized pivot reduces play between the lower and upper shells, further improving transmission efficiency. My Custom Fit Lab liner is Salomon's highest performance liner, with personalized fit and material placed for optimum transmission. - Downhill performance - Twinframe design delivers rebound and flex, while oversized pivot provides efficient transmission - Fit - Combined Custom Shell 360° shell and My CustomFit 3D liner with thermobonded sewings for a totally custom fit, inside and out - Twinframe / 360° Custom Shell - Bi-material PU cuff / Bi-material PU shell - My CustomFit 3D Pro liner + 1 loop - 4 micro alu 3D buckles - 24mm oversized pivot / Backbone 1 screw / 4mm integrated lifter