Experience uncompromised all-mountain performance with the Union Atlas Pro Step On® Bindings. The innovative Step On® technology makes transitions effortless, while a redesigned highback featuring a forged carbon beam and the advanced Drive Frame rear bushing deliver exceptional stiffness and responsiveness. Enjoy enhanced power transfer and precise edge-to-edge response without compromising comfort—the ultimate binding for demanding terrain.
Step On® Instant Connection™ System
Italian-Made Forged Carbon
Adjustable Gas Pedal
New Drive Frame Hi-Flex EVA Bushing
Freestyle:
6/10
All-Mountain:
10/10
Freeride:
8/10
Performance:
9/10
Binding Flex:
Overall 8/10
Binding Weight:
1.80 KG (Based on a size medium full pair including disks & hardware)
| Men's Bindings | XS | S | M | L | XL |
|
US MEN |
5.5 | 5.5 - 7.5 | 8 - 10 | 10.5 - 13 | 13 - 15 |
| US WOMEN | 4 - 6.5 | 6.5 - 8.5 | 9 - 11 | - | - |
| US KIDS | 3K - 5.5K | 5.5K+ | - | - | - |
| UK | 2 - 4.5 | 4.5 - 6.5 | 7 - 9 | 9.5 - 12 | 12 - 14 |
| EURO | 34 - 37 | 37 - 40.5 | 41 - 43 | 43.5 - 46 | 46 - 48 |
| MONDO | 21 - 23.5 | 23.5 - 25.5 | 26 - 28 | 28.5 - 31 | 31 - 33 |
| Model Features | Technology Name | Description |
| Baseplate |
S1 Step On® Duraflex CB |
Engineered for unmatched durability, this baseplate is designed and manufactured by Union to deliver long lasting performance. |
| Bushing |
Drive Frame w/ Hi-Flex EVA |
The Drive Frame Hi-Flex EVA bushing combines a rigid nylon frame with precision-engineered damping to increase stiffness and underfoot response, delivering a more connected, powerful ride without sacrificing comfort. |
| Footbed |
Non-Stick HP EVA |
Additional shock absorption; prevents snow and ice build-up under boots. |
| Canting |
No |
Canting is not available on this binding model. |
| Highback |
S1 Step On® Pro Forged Hybrid |
Stiff and responsive forged carbon spine delivers maximum board control, while the Duraflex CB nylon construction ensures long-lasting durability. Adjusted 10mm forward for improved boot-to-binding connection. |
| Flad |
No |
Forward lean adjustment is not available on this binding model. |
| Heelcup |
Extruded 3D Aluminum |
Designed for optimum heel hold and minimization of drag. Lifetime warranty. |
| Hardware | Grade 8.8 Steel | The strongest steel available on the market. |
| Compatibility | 4x2, Channel | - |
| Disk Type | Step On® 4x2 Disk, Step On® Channel Disk | - |







