Simply unique: VACUUM FIT adjustment
This extremely precise adjustment to each individual foot brings considerable benefits: a perfect fit around the whole foot – including the heel. This is why it is so aggressive, responds quickly and goes into turns so effectively. Technology worthy of world champions!Read more
RC4: top speed thanks to top flex
With its 140 flex rating this boot is the hardest the RC4 line has to offer. Aggressive turns, high power use - and no compromises. This is what makes the RC4 140 VACUUM Full Fit a speed machine!Read more
Adjustable last width: 93-103 mm
The last: sporty-aggressive, but a little more balanced than the World Cup model. With an adjustable width of 93 to 103 mm this boot delivers top racing achievements!
Power Fit Liner
Perfect First Fit due to Power Toebox, Pressure Reducing Tongue and Ultralon Padding.
100% Seamless Tongue
100% Seamless Tongue. Practically no friction anymore, perfect fit.
Pressure Reducing Tongue
Totally new Tongue Construction with space for high insteps and navicular bone. Because of the special cut no pressure anymore.
Power Fit Toebox
6% wider shape of the toebox area. Rounder Shape in the Toearea. For Better instand fit, better blood circulation and comfort!
Perfect heel fit through Ultralon Padding in the heel and ankle Area.
The natural V-position enables skiers to control their skis with absolute precision.
The widest Velcro on the market, optimum boot adjustment according to skiing style and use. For enhanced power and pressure transfer.
VACU-PLAST Cuff & Shell
Perfect fitting at 80C for the anatomy of the foot for direct control impulses and more rebound through greater elasticity. Greater temperature stability and 15% less weight.
The spoiler is fixed to the boot liner by a Velcro strap and can be adjusted individually. Higher spoiler for more support, lower spoiler for lower calf position, spoiler removed for less forward lean.
Rapid Slide System
Extremely soft material in the instep section of the shell ensure very easy step in and step out.