Atlas Pro Step On Snowboard Bindings - Black 2027
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Atlas Pro Step On Snowboard Bindings - Black 2027
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Size chart
Men's Step On® Size Chart
| Size System | Small | Medium | Large | X-Large |
| US Men's Boot Size | 6 - 8 | 8.5 - 10.5 | 11 - 13 | 14 - 15 |
| UK Boot Size | 5 - 7 | 7.5 - 9.5 | 10 - 12 | 13 - 14 |
| CM Boot Size | 24 - 26 | 26.5 - 28.5 | 29 - 31 | 32 - 33 |
| EU Boot Size | 38 - 41 | 41.5 - 43.5 | 44 - 46 | 47 - 48 |
| Mondo Boot Size | 240 - 260 | 265 - 285 | 290 - 310 | 320 - 330 |
Women's Step On® Size Chart
| Size System | Small | Medium | Large |
| US Women's Boot Size | 5 - 6 | 6.5 - 8.5 | 9 - 11 |
| UK Boot Size | 3 - 4 | 4.5 - 6.5 | 7 - 9 |
| CM Boot Size | 22 - 23 | 23.5 - 25.5 | 26 - 28 |
| EU Boot Size | 35 - 36.5 | 37 - 40.5 | 41 - 43 |
| Mondo Boot Size | 220 - 230 | 235 - 255 | 260 - 280 |
Important Compatibility and Safety Information
STEP ON® bindings are ONLY compatible with STEP ON® boots. Do not use either product with non-STEP ON® boots or non-STEP ON® bindings. Consult the size chart to ensure that you have the correct size binding for your boot size.
Pairing incompatible size boots with bindings may lead to malfunction and could compromise your safety. Women's and Men's sizing are based on different size standards. Combining men's and women's STEP ON® products will result in malfunction and could compromise your safety.
Quick Specs
| Rider Type | All-mountain, intermediate to advanced |
| Flex | 8/10 (Stiff) |
| Weight (Pair) | 1.80 kg |
| Connection System | Step On® Instant Connection™ |
| Compatibility | 4x2, Channel |
| Sizes | S, M, L, XL |
| Performance | 9/10 |
| All Mountain | 10/10 |
| Freeride | 8/10 |
| Freestyle | 6/10 |
Product Description
The Atlas Pro Step On® is Union's flagship all-mountain binding for riders who refuse to compromise between speed and precision. A new S1 Step On® Pro Forged Hybrid highback pairs a stiff Forged Carbon spine with Duraflex CB nylon, while the exclusive Drive Frame Hi-Flex EVA bushing sharpens edge-to-edge response and absorbs the hits. Built for intermediate to advanced all-mountain chargers who demand instant connection and maximum power transfer on every run.
Product Details
| Highback | S1 Step On® Pro Forged Hybrid: Union-exclusive Forged Carbon spine (the only carbon material truly 3D-formed, exceeding injected plastic strength tenfold) bonded with Duraflex CB nylon (highest fiberglass content in Union's lineup, stiffer and more responsive than Duraflex ST) for an improved binding-to-boot connection with long-term durability |
| Baseplate | S1 Step On® Duraflex CB: Step On®-specific baseplate built from Duraflex CB, the highest-fiberglass nylon in Union's lineup, delivering lighter weight, increased stiffness, and unmatched responsiveness; designed and manufactured by Union with a Lifetime Warranty |
| Bushing | Drive Frame w/ Hi-Flex EVA: All-new Drive Frame architecture exclusive to the Atlas Pro Step On®, engineered for increased response and added damping; Hi-Flex EVA compound maintains its shape over time for consistent shock absorption |
| Footbed | Non-Stick HP EVA: Closed-cell construction is 100% ice and waterproof, with added damping and shock absorption underfoot |
| Heelcup | Extruded 3D Aluminum: 100% pure aluminum precision-extruded to maintain its true shape under heavy wear, delivering precise heel hold, stability, and lasting durability; backed by a Lifetime Warranty |
| Hardware | Grade 8.8 Steel: The strongest steel grade commonly available, used throughout critical binding components for unmatched strength and reliability |
| Connection | Step On® Instant Connection™ System: Innovative heel-and-toe boot-to-binding interface delivers instant response from heel to toe with no straps, no ratchets, and no adjustments required |
| Canting | None |
Warranty
Atlas Pro Step On Snowboard Bindings - Black 2027 FAQ
What makes Atlas Pro Step On different from regular Atlas Step On?
Atlas Pro Step On features a Forged Carbon spine in the highback (S1 Step On Pro Forged Hybrid) and an all-new Drive Frame Hi-Flex EVA bushing. 8/10 flex, 10/10 all-mountain score, and 9/10 performance for ultimate all-mountain power with Step On convenience.
Is Forged Carbon worth the premium over nylon?
Yes. Forged Carbon is four times stronger than nylon at half the weight, enabling ultra-lightweight, hyper-responsive components. The carbon spine in the highback transmits your movements directly to the board for instant edge response.
What's the Drive Frame bushing and how is it different?
Drive Frame is an exclusive new design delivering increased response. Combined with Hi-Flex EVA, it provides cushioning and damping while maintaining a precise, reactive feel. Purpose-built for the Atlas Pro Step On.
Is the weight still reasonable at 1.80 kg?
Yes. At 1.80 kg (pair), it's competitive with top performance bindings. The Forged Carbon highback and Drive Frame bushing are lightweight engineering, not weight penalties.