the union str is the binding for you if you want to push your riding level all over the mountain. bigger drops and more technical lines. a great all-mountain/freestyle binding if you are looking for absolute durability at a good price. the str offers everything you'd expect from union's high-end technology: a rugged stage 5 base, stage 11 highbacks and exoframe 2.0 straps.

highback
the s11 highback with medium to hard flex, features a robust duraflex nylon design. a perfect highback for various riding styles and any terrain. the angle of the highback (forward lean) can be adjusted without tools.

baseplate
the stage 5 duraflex base is perfect for any terrain and very stable. the beveled, bombproof stage 5 base outperforms anything in this price range. the thermoformed eva bushings offer excellent cushioning, which is maintained even in cold temperatures.

straps
stability and quick response on the outside, top fit and comfort on the inside - the exoframe 2.0 ankle strap offers the ultimate connection between rider and board. the ts 1.0 hexgrip toe straps' thermoplastic anti-slip material and multiple positioning options keep your boots bombproof and secure in the binding.

featuresstage 5 duraflex baseplatethermoformed eva bushings - shock absorbing footbedcanted footbed - for a natural, comfortable angle of the feetextruded 3d aluminium heelcups11 duraflex highbacktool-less forward lean adjustmentexoframe 2.0 ankle strapsts 1.0 hexgrip toe strapsaluminium buckles4x2, 4x4 and channel compatible