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Snowboard specialist from Sideways speaks.
- Double BOA for a perfect fit
- Versatile shoe
- Partly due to the liner and the flex, very comfortable.
- Not able to find

Nidecker Altai – All-mountain power and comfort in one boot
Precise fit with Dual BOA®
Comfort from the first descent
Grip and cushioning
Sturdy and durable
Size charts
| US YOUTH & MEN'S | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 13 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| US WOMEN'S | - | - | - | - | - | - | - | - | - | - | - | - |
| EU | 39.5 | 40 | 41 | 41.5 | 42 | 42.5 | 43 | 44 | 44.5 | 45 | 45.5 | 47 |
| UK | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 12 |
| JAPAN / MONDO | 25 | 25.5 | 26 | 26.5 | 27 | 27.5 | 28 | 28.5 | 29 | 29.5 | 30 | 31 |

Technical Specifications
Nidecker is known for its commitment to innovative and high-quality snowboard products that combine performance, comfort, and durability. The brand has built a strong reputation within the snowboard community by integrating advanced technologies and materials to provide snowboarders around the world with high-quality gear for their adventures in the mountains.
Ready for anything. Designed to withstand. From the park to the podium, H4 withstands the impact of the most demanding snowboarders. The Coiler automatically takes up the slack in the laces, increases the speed of getting into the boot, and provides a precise fit that allows for micro-adjustments.
An extra layer of high-density EVA supports the deep heel cup and the anatomical arch, while more comfortable EVA provides flexibility to the forefoot. A silicone top print gives traction to the fleece-lined footbed.
This liner has been completely redesigned and has no pressure points; the closure is done via the cuff that is attached to the inside of the shell. This makes the liner easy to put on and take off.

