K2 Cortex 140 Zonal BOA® Unisex Ski Boots 2026

Highest of high performance

$949.99

Two BOA® dials are better than one. The all-new Cortex 140 Zonal BOA® combines cutting-edge performance technology with unparalleled precision to elevate your skiing experience. Built with a lower shell and an upper cuff fully integrated into the BOA® System, this boot redefines what’s possible on the mountain.

The Cortex 140 Zonal BOA® is the perfect mashup of your favorite race boot and freeride resort slayer—designed to dominate both the racecourse and untouched powder. Engineered for all-day comfort and relentless performance, it keeps you charging from first chair to last lap.

Need proof? Max Hitzig claimed victory at the 2024 Freeride World Tour in this boot. Whether you’re chasing trophies or carving turns, the Cortex 140 BOA® is the highest-performance ski boot we’ve ever built.

Take your skiing to the next level with the boot that’s as bold as you are. The Cortex 140 Zonal BOA®: Built to Perform.

Limited sizing currently available.

Size

21.5,
22.5,
23.5,
24.5,
25.5,
26.5,
27.5,
28.5,
29.5,

Ski Boot Last (mm)

96-98

Product Weight(g)

2283g @ 26.5

Collection

Cortex ,BOA® Fit System ,

Category

All Mountain ,2 Piece ,

Best For:

Freeride

Big Mountain

Powder

Piste

Speed

Flex/Feel:

K2 Cortex Ski Boot Collection

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