FLOW bindings, probably size M. The total length is 25cm, so the boots are expected to be around 27cm at the longest. This model is a rear-entry type, and its feature is that you can easily put your foot in and quickly put it on by opening and closing the highback. After getting off the lift, you don't need to readjust the straps like with regular bindings, and you can put them on with one touch, allowing you to start riding without stress. Product Details Brand: FLOW Model: AMP5 Size: M? Color: Black, Gray Features: ・Easy to put on and take off with rear-entry ・Comfortable fit and flexible operability ・All-round compatible flex Condition ・No noticeable scratches or damage ・Straps and ratchets work fine, and you can still use them for a long time ・There are some scratches and scuffs from normal use, but they do not affect performance