Str Snowboard Bindings - Purple 2027
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Str Snowboard Bindings - Purple 2027
Pickup available at Boutique Adrénaline
Usually ready in 24 hours
Size chart
Men's / Unisex Size Chart
| Size System | Small | Medium | Large | X-Large |
| US Men | 5.5 - 7.5 | 8 - 10 | 10.5 - 13 | 13 - 15 |
| US Women | 6.5 - 8.5 | 9 - 11 | — | — |
| US Kids | 5.5K+ | — | — | — |
| UK | 4.5 - 6.5 | 7 - 9 | 9.5 - 12 | 12 - 14 |
| EURO | 37 - 40.5 | 41 - 43 | 43.5 - 46 | 46 - 48 |
| MONDO | 23.5 - 25.5 | 26 - 28 | 28.5 - 31 | 31 - 33 |
Women's Size Chart
| Size System | Small | Medium | Large |
| US Men | up to 5.5 | 5.5 - 7.5 | 8 - 10 |
| 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 |
| EURO | 34 - 37 | 37 - 40.5 | 41 - 43 |
| MONDO | 21 - 23.5 | 23.5 - 25.5 | 26 - 28 |
Kids' Size Chart
| Size System | One | Mini | Small | Medium |
| US Men | — | — | up to 5.5 | 5.5 - 7.5 |
| US Women | — | up to 4 | 4 - 6.5 | 6.5 - 8.5 |
| US Kids | 7C - 11C | 11C - 3K | 3K - 5.5K | 5.5K+ |
| UK | 6 - 10 | 10K - 2 | 2 - 4.5 | 4.5 - 6.5 |
| EURO | 24 - 28 | 28 - 34 | 34 - 37 | 37 - 40.5 |
| MONDO | 13.5 - 17.5 | 17.5 - 21 | 21 - 23.5 | 23.5 - 25.5 |
Quick Specs
| Segment | All Mountain |
| Flex | Medium (5/10) |
| Rider Level | Beginner to Intermediate |
| Canting | Yes |
| Mount Compatibility | 4x2, 4x4, Channel |
| Disk | Camber Disk |
| Weight (Pair) | 1.82 kg |
Product Description
The Union STR is the gateway to real all-mountain riding. Its Duraflex nylon baseplate and highback hold their shape run after run in cold temps, while the EXT Thermoformed EVA bushing soaks up chatter and lets the board flex naturally underfoot. The Cam-Lock FLAD snaps your forward lean without a screwdriver, and the pure aluminum heelcup earns a lifetime warranty. Built for riders ready to explore every corner of the mountain.
Product Details
| Baseplate | S5 Duraflex: entry-level all-mountain nylon baseplate; Duraflex formula maintains consistent flex across a wide range of cold temperatures, exclusive to Union for snow hardgoods |
| Bushing | EXT Thermoformed EVA: extended thermoformed EVA designed to save heels and promote true, even board flex with effective shock absorption |
| Footbed | Thermoformed EVA: classic thermoformed EVA for reliable shock absorption and underfoot comfort |
| Highback | S11 Duraflex: entry-level Duraflex nylon highback with consistent cold-weather flex |
| FLAD | Cam-Lock: lever-style forward lean adjustment for quick, tool-free setup |
| Heelcup | Extruded 3D Aluminum: 100% pure aluminum that maintains its true shape under heavy wear, durable and lightweight, with Lifetime Warranty |
| Ankle Strap | Exoframe 3.0: lightweight and durable strap that conforms to any boot make or model |
| Toe Strap | TS 2.1 UltraGrip: UltraGrip toe strap for a secure, locked-in fit |
| Strap Adjust | Quick-Lock + Steel Screw |
| Ratchets | Aluminum S2 w/ Steel Base: extruded aluminum ratchet with steel base for reliable closure |
| Hardware | Grade 8.8 Steel: the strongest steel commonly available |
Warranty
Str Snowboard Bindings - Purple 2027 FAQ
What's the 2% giveback in the STR about?
Union donates 2% of STR sales to outreach partners. Every binding you buy supports community programs. Union stays true to its responsibility mission while you ride.
Is the STR good for beginner to intermediate riders?
Yes. A 5/10 flex with 7/10 all-mountain and 5/10 freestyle scores make it forgiving and capable. S5 Duraflex baseplate and EXT thermoformed EVA bushing provide reliable, comfortable riding for riders learning the mountain.
Can I mount this on a Burton Channel board?
Yes. The STR comes with a Camber Disk compatible with 4x2, 4x4, and Channel systems. Mount on Burton or any modern board without adapters.
Will the Exoframe 3.0 strap mold to my boot?
Yes. The Exoframe 3.0 with Hytrel and Lycra Layered EVA construction conforms to any boot shape over time. Quick-Lock adjustment keeps it secure through the season.