The Union Str bindings are a true workhorse that will help you take your snowboarding to the next level. These bindings feature a tough and responsive construction that can handle anything you throw at them, whether you're hitting rails, jumps, or steep lines. The Str bindings feature a Stage 6 Duraflex baseplate that provides a perfect balance of strength and flex, along with a 3D aluminum heelcup that keeps your boot locked in place. With tool-free adjustment, you can easily customize the Str bindings to your exact specifications, and they come in a range of colors to match your board and personal style. If you're looking for a high-performance binding that won't let you down, the Union Str bindings are an excellent choice.