Thank you for viewing from among the many products available. This is a Shimano step-in binding. It's the "ACCUBLADE" system, which is a step above the conventional step-in systems. It was well-received for its smooth, natural step-in performance, riding performance, and lightness. Although this product is now discontinued, it is compatible with Yonex's Accublade. I'm not sure where to find the binding size, but the boots used were 27cm. My husband no longer needs it as he has switched to something else, so I'm offering it to anyone who can use it. Brand: SHIMANO Shimano Type: Step-in Accublade There are some scratches as it was used by my husband. Please check the attached photos for details. Also, it is listed on other sites, so please purchase it as soon as possible if you are interested. If you have any questions, I will answer them to the best of my ability, so please feel free to ask ( ¨̮ ) #Shimano #shimano #Yonex #YONEX #Snowboard #StepIn #Accublade #Accublade