A snowboard binding system that incorporates the riding performance of a strap binding with the convenience of a step-in binding. The binding system includes a binding interface that is configured to be coupled to a step-in binding base, while also being configured to secure a snowboard boot in a manner that provides a rider with the riding performance of a strap binding. The binding interface may include one or more straps for securing a boot to a snowboard. The binding system may be configured so that the binding base engages regions of the binding interface to which the straps are attached to provide the feel of a strap binding. The binding base may include at least three engagement members to engage with corresponding mating features on the interface. The binding base may include a pair of engagement members at both the rear or heel end and the front or toe end thereof to engage with corresponding mating features on the interface. The engagement members at the heel end of the binding base may be configured to move independently of the engagement members at the toe end of the binding base to facilitate stepping the interface into and out of the binding base. The binding may be provided with a locking arrangement that reduces the likelihood of a false locking condition between the interface and binding by prohibiting at least one of the pairs of engagement members from becoming locked until each of the pair of engagement members assumes its closed position. The binding may be provided with a locking arrangement that maintains each of a pair of engagement members in each of a plurality of closed positions to secure a corresponding pair of mating features. The binding interface may have a lower portion with a X-shape configuration to be mounted below a boot sole.