The 390 Boss FW is designed for riders who want a lightweight, powerful ride that is still playful enough to butter and tweak. Built with the reliable performance of our FullWrap Platform the 390 Boss FW is a shop kid and team favorite thanks to its mellow flex and jib-happy strap package.
Flex Rating: Medium, for park laps and groomers.
Riding Style: 6 (1 Playful – 10 Precise)
Baseplate:
FullWrap: Rome’s bombproof chassis; designed for durability, maximum power transfer, and stability at speeds.
Adjustable Baseplate: Created to help fit a wider range of boot models and sizes.
Baseplate Materials: 70% Nylon / 30% Glass
Highback:
Highback Rotation: Designed so riders can adjust their highbacks to mirror the angle of their heelside edge for maximum power transfer.
Highback Materials: 100% Nylon
Straps:
UltraFlex Ankle Straps: The UltraFlex ankle straps powered by AuxTech® are designed for new levels of locked-in comfort and support. What makes the UltraFlex straps so special is the new open 3D auxetic edge instead of a traditional closed edge design. This open edge creates an even pressure distribution on the boot while still allowing for a full range of tweakability that freestyle riding craves.
ProGrip Toe Strap: Powered by AuxTech™, this innovative network of small hinges provides unmatched hold and locked-in grip.
AuxTech: Geometric patterns that become thicker perpendicularly when stretched. Think of them as a network of tiny hinges that, when pressure is applied, actually expand and open. This creates a more direct connection to the boot.
Buckles:
Bombproof Buckles: BombProof Buckles are a one-piece forged aluminum construction for better grip and durability. Built with wider stance teeth area for more engagement, this makes for easier ratcheting and increased protection from wear and tear to your ladder straps.











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