A collapsible ski comprising two structural portions, that is the front and the rear of the ski, coupled together by provisions of a tenon formed in the rear portion of the ski along the entire width from the edge to the edge corresponding to a mortise formed on an entire width of the front portion of the ski wherein the mortise comprises a pair of arms. The ski comprises a ski binding consisting of a front part and a rear part, wherein the ski binding comprises a plate coupled to the rear portion of the ski via screws and a transversal bar sandwiched between the plate and the ski. The coupling of the ski is positioned in a location enabling attachments of the front of the ski binding onto the rear portion of the ski. The ski further comprises a latch located in a long axis of the ski.