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Atomic Redster STI 70 LC

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The Redster STI 70 LC is a race boot designed specifically for young teenage racers – with a lower cuff to fit shorter legs.

The Redster STI 70 LC is our most flexible race boot for teenage ski racers, but the only thing junior about this race boot is the cuff height, specially sized for shorter, skinnier legs. The Slim Race Shell makes it easier to flex than other junior ski boots – combined with Memory Fit and World Cup Liner, this is a boot that’s ready to perform on the race course. Give juniors tons of confidence on race day, and let them feel like they’re in the big leagues with the Redster STI.

- Slim Race Shell
- 93mm Narrow Last
- Memory Fit
- Low Cuff
- World Cup Liner
- 35mm Velcro Strap
- 7000-Series Alu Buckle
- 16° Forward Lean
- 0° Rotation Shell
- ISO 5355 Alpine

Understanding boot and binding compatibility can be complicated. Alpine or Alpine Touring? ISO what?

With multiple boot/binding standards designed for different applications and skier types, finding the right gear requires more knowledge and expertise than ever before.

Contact us to navigate your options and discover what's right for you.


Recommended Use Race
Flex 70
Last Width 93mm, narrow
Forward Lean 160°
Shell Slim race
Cuff Low
Liner Material World Cup
Liner: Heat-Moldable Yes
Number of Buckles 4
Buckles 7000-Series aluminum
Powerstrap 35mm Velcro strap
Binding Compatibility ISO 5355 Alpine
Weight (pair) 3728g

* Subject to change without notice.

Part Numbers

Option UPC MPN
Red / 22/22.5 887445183457 AE502080022X
Red / 23/23.5 887445182177 AE502080023X
Red / 24/24.5 887445182184 AE502080024X
Red / 25/25.5 887445182191 AE502080025X
Red / 26/26.5 887445182207 AE502080026X
Red / 27/27.5 887445182214 AE502080027X