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The Atomic Redster STI 90 LC is a feature-packed race boot designed specifically for lighter junior racers – with a lower cuff to fit shorter legs.


While the Atomic Redster STI 90 LC is for lighter junior racers, the only thing junior about this race boot is the cuff height, just a little bit lower for younger legs. Atomic’s World Cup liner tech make sure it’s got great feel and a precise connection between liner and boot shell. The Slim Race Shell makes it easier to flex than normal junior race boots. Power Control lets racers adjust both the forward lean and the precise stiffness of the boot – letting them lock in their preferred feel for tons of confidence on race day. Junior racers will feel like they’re in the big leagues with the Redster STI 90 LC.



Customizable V3 Tongue System allows you to select the ideal tongue thickness to suit your needs. Choose between a Low Volume (LV) fit, Medium Volume (MV) fit and High Volume (HV) fit for the ultimate interface between shin and liner.



This unique shel construction has thinner walls meaning better flex and control for lighter racers.





This 93mm narrow last is the lowest volume fit & the choice of DH globe winner Sofia Goggia.


Boot Fit: Narrow

Skill Level: Advanced

Weight(g): 1,850

Atomic REDSTER STI 90 LC Ski Boots.2221/22

C$499.00 Regular Price
C$249.50Sale Price
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