Atomic Redster STI 70 LC Ski Boot 2023


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While the Redster STI 70 LC is Atomic's most flexible race boot for junior ski racers, the only thing junior about this race boot is the cuff height, specifically sized for younger legs. The Slim Race Shell makes it easier to flex than other junior ski boots. The Redster STI 70 LC has a high-performance World Cup liner that creates a precise interface between shell and foot and works with the V3 Tongue System to totally fine-tune your fit. The V3 Tongue System allows you to select the tongue volume that best fits your body, for a dialed connection between your shin and the boot. This is a boot that’s ready to perform on the race course. Junior racers will have tons of confidence on race day and feel like they’re in the big leagues with the Redster STI 70 LC.


Slim Race Shell

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

True Size Mondo 22

On our women's models, we offer a true shell size in MP 22 plus an appropriate liner construction.

Low Cuff - All Sizes

A 16mm low cuff with geometry tuned specifically for younger racers for better balanced and control.

V3 Tongue System

Customizable tongue system allows you to select from three different thicknesses for the ideal fit.

93mm Racing Last

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

Racing Sole (non-replaceable)

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