The Union STR is a mid-flexing all-mountain binding built to give beginner and intermediate riders the comfort and control they need to progress with confidence. Forgiving enough to learn on, responsive enough to push your skills, it's designed to take you from your first laps to lapping the whole mountain.
S5 Duraflex baseplate delivers a balanced flex that lets you feel the board without fighting it, offering the right blend of response and forgiveness for riders building their skills.
Thermoformed EVA footbed and bushings absorb vibration and reduce impact, keeping your feet comfortable through full days on snow.
Extruded 3D aluminum heelcup holds your boot firmly in place for precise power transfer without adding unnecessary weight.
S11 Duraflex highback with Cam-Lock FLAD provides mid-range support with easy forward lean adjustment to match your stance and riding style.
Exoframe 3.0 ankle strap and TS 2.1 UltraGrip toe strap lock you in with multi-position compatibility and anti-slip material that works with any boot brand.
Magnesium S1 ratchets with protected springs deliver smooth, reliable entry and exit season after season, even in harsh conditions.
Universal mounting disk fits 4x2, 4x4, Channel and camber patterns for compatibility with any board.
Built with Grade 8.8 steel hardware and durable construction throughout, the STR is made for riders ready to explore more terrain and refine their technique.
