Nidecker Altai BOA Snowboard Boot Black 2026
Pickup available at Sanction World Headquarters
Usually ready in 2 hours
Altai Advances.
The bestselling Altai evolves into Winter 2026 with a new external heel-lock and injected lace guide for enhanced control. An updated Silver Liner boosts comfort and ankle support, while state-of-the-art materials
deliver a clean look. Meet your new go-to boot for all-mountain progression.
Dual BOA® | Mid-Stiff | Versatile
Ideal for: Whatever the mountain can throw at you.
Tech:
Last - 1:1 Mens
Closure - Dual BOA®
BOA® Type - H4Coiler™
Heel Lock - External Heel Lock
Outsole - Gravity +
Liner - Silver
Liner Closure - Shell Harness
Insole - 3D Dual Density
Flex:
Mid-Stiff 3/5
Terrain:
Resort - 4/5
Pow - 3/5
Park - 3/5
Extras:
Moldable Liner
Asym 3F
Articulating Flex Zone
3D Molded Toebox
3D Molded Tongue
Rubber Backstay
Fast, Reliable Shipping
FREE SHIPPING OVER $99 🇨🇦 Canada Only
We ship fast worldwide. Most orders go out the same or next business day. You will get an order confirmation right away, followed by tracking as soon as it ships so you always know where your gear is.
Boot Size Conversion
Find your Mondo size, then match to US/UK sizes.
| Mondo (cm) | US Men's | US Women's | UK | EU |
|---|---|---|---|---|
| 22.0 | 4 | 5 | 3 | 35 |
| 23.0 | 5 | 6 | 4 | 36 |
| 24.0 | 6 | 7 | 5 | 37.5 |
| 25.0 | 7 | 8 | 6 | 39 |
| 25.5 | 7.5 | 8.5 | 6.5 | 39.5 |
| 26.0 | 8 | 9 | 7 | 40.5 |
| 26.5 | 8.5 | 9.5 | 7.5 | 41 |
| 27.0 | 9 | 10 | 8 | 42 |
| 27.5 | 9.5 | 10.5 | 8.5 | 42.5 |
| 28.0 | 10 | 11 | 9 | 43 |
| 28.5 | 10.5 | 11.5 | 9.5 | 44 |
| 29.0 | 11 | 12 | 10 | 45 |
| 29.5 | 11.5 | – | 10.5 | 45.5 |
| 30.0 | 12 | – | 11 | 46 |
| 31.0 | 13 | – | 12 | 47.5 |
| 32.0 | 14 | – | 13 | 49 |
How to Find Your Mondo Size
- 1 Stand on a piece of paper with your heel against a wall
- 2 Mark the tip of your longest toe on the paper
- 3 Measure from the wall to the mark in centimeters
- 4 This measurement is your Mondo size
About The Fit
Every boot has its own unique fit characteristics.
