Description
Tech Info
Size chart
2026 Rome 390 Boss AW Snowboard Bindings
The all-new 2026 Rome 390 Boss AW is a versatile, medium-flexing binding built for riders who want a smoother, surfier feel without sacrificing response. Built on the AsymWrap Platform, this version of the 390 Boss offers powerful edge control with more lateral freedom, perfect for exploring the whole mountain and locking in tweaks. With AuxTech® straps and FastEntry tech, it’s an easy favorite for riders who want a blend of power and play.
Who are these bindings best for?
Ideal for intermediate to advanced riders who want a medium flex binding that feels responsive, yet forgiving enough for park laps, side hits, and all-mountain flow.
What is new on the 2026 model?
New model
Summary
| Ability | Intermediate – Advanced |
| Flex | 5 – 6 / 10 |
| Baseplate | AsymWrap Platform (70% Nylon / 30% Glass) |
| Highback | Highback Rotation (100% Nylon) |
| Ankle Strap | UltraFlex Pro Ankle Strap |
| Toe Strap | ProGrip Toe Strap |
| Compatibility | 4x2, 4x4, Channel |
| Warranty | Lifetime (Baseplate), 2-Year (Parts) |
Flex
- 5–6 / 10 – Medium flex feel with slight tuning range: use the Kink Ladders in a higher position for more power (closer to 6), or lower for a more forgiving 5
Baseplate
- AsymWrap Platform – Designed for a surfier board feel and increased lateral flex without giving up heel-to-toe response
- 70% Nylon / 30% Glass – Lightweight and responsive blend for all-mountain performance
- Adjustable Baseplate – Fits a wide variety of boot shapes and sizes
- Forged Aluminum Heel Loop – Lightweight and ultra-durable loop for added response and strength
- 2° Canted Footbed – Improves joint alignment and reduces fatigue
Highback
- 100% Nylon – Durable material with consistent flex characteristics
- Highback Rotation – Dial in your heelside edge engagement by matching the highback angle to your stance
- FLAD (Forward Lean Adjuster) – Tool-free adjustment to fine-tune your forward lean angle
Straps
- UltraFlex Pro Ankle Strap – Open 3D auxetic edge powered by AuxTech® for an even pressure profile and plush flexibility
- ProGrip Toe Strap – Also powered by AuxTech®, this strap locks your boot down with a responsive fit
- AuxTech® – Expands geometrically under tension to maximize boot contact and reduce pressure points
- Fast Entry – Pre-curved ladders stay out of the way for quick and easy boot entry
- Kink Ladders – Fine-tune flex: run them high for stiffer response or low for more freedom
Buckles
- BombProof Buckles – Forged aluminum buckles with wide-tooth contact for smooth ratcheting and long-term durability
Additional Features
- Tool-Free Adjustments – Quick strap and positioning tweaks without breaking out the tools
- Never Miss A Day Kit – Includes spare ladders to keep you riding even if you blow one out
Size Chart
| Size | US Men's | US Women's | EURO | Mondo (cm) |
|---|---|---|---|---|
| S | 5 – 7.5 | 6.5 – 9 | 36.5 – 40.5 | 23 – 25.5 |
| M/L | 7.5 – 10.5* | 9 – 12* | 40.5 – 44 | 25.5 – 28.5* |
| L/XL | 10 – 13* | 11.5 – 15 | 43 – 47 | 28 – 31* |
* Rome recommends checking boot-to-binding fit with an adjusted binding. When in doubt, upsizing is safest.
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