To prevent a bag from being hindrance after a snow-board is carried by constituting a pocket part sewed to the bottom surface part of a day pack in such a manner as to be capable of being folded and housed in the front surface part.

A plurality of attachable and detachable straps 4 for installing a snow board are fitted on the front surface part 2 of a day pack 1, and a pocket part 6 for housing the tail part of the snow board is sewed to the bottom surface part 5 of the day pack 1. When the snow board is not installed to the day pack 1, the pocket part 6 for housing the tail part of the snow board can be folded and housed in the front surface part 2 of the day pack 1. The folded packet part 6 may be stopped by the straps 4 fitted on the front surface part 2. Since the attachable and detachable straps 4 for fixing the snow board are provided on the front surface part 2 of the day pack 1, the snow board can be firmly fixed to the day pack 1, and easily removed therefrom.