A vehicle comprising a vehicle seat, a console box provided at an inner side in a vehicle width direction relative to the vehicle seat, and a side airbag device, the side airbag device comprising: an inflator configured to generate a gas, and a bag-shaped airbag inflatable and deployable in a space above the console box and beside an occupant seated in the vehicle seat in response to the gas upon activation of the inflator to protect a lateral portion of the occupant, the airbag including a torso protection portion inflatable and deployable in a space beside a torso of the occupant, a support portion provided on a console box side of the torso protection portion, and configured to be pushed onto a top surface of the console box in an inflated and deployed state, and a hip protection portion inflatable and deployable between a hip of the occupant and a lateral portion of the console box, the support portion and the hip protection portion being defined by a continuous chamber, the inflator being positioned from above to below the support portion in a side view of the vehicle, the airbag being mounted on a lateral portion of the vehicle seat via the inflator, characterized in that in an inflated and deployed state, the support portion and the hip protection portion extend along a top surface and a side surface of the console box, respectively, in a front-rear view of the vehicle, and a portion of the support portion and a portion of the hip protection portion, respectively, opposing the top surface and side surface of the console box, is defined by a continuous single base fabric piece, wherein the airbag is prepared by joining the peripheries of a non-occupant side base fabric piece on the inner side in the vehicle width direction, an occupant side base fabric piece on the outer side in the vehicle width direction, middle base fabric pieces on the front and rear sides in the vehicle, and base fabric pieces on the upper and lower sides in the vehicle, and wherein at least the middle fabric piece on a front side in the vehicle has a shape extending along the top surface and side surface of the console box in a front-rear view of the vehicle. an inflator configured to generate a gas, and a bag-shaped airbag inflatable and deployable in a space above the console box and beside an occupant seated in the vehicle seat in response to the gas upon activation of the inflator to protect a lateral portion of the occupant, the airbag including a torso protection portion inflatable and deployable in a space beside a torso of the occupant, a support portion provided on a console box side of the torso protection portion, and configured to be pushed onto a top surface of the console box in an inflated and deployed state, and a hip protection portion inflatable and deployable between a hip of the occupant and a lateral portion of the console box, the support portion and the hip protection portion being defined by a continuous chamber, the inflator being positioned from above to below the support portion in a side view of the vehicle, the airbag being mounted on a lateral portion of the vehicle seat via the inflator, characterized in that in an inflated and deployed state, the support portion and the hip protection portion extend along a top surface and a side surface of the console box, respectively, in a front-rear view of the vehicle, and a portion of the support portion and a portion of the hip protection portion, respectively, opposing the top surface and side surface of the console box, is defined by a continuous single base fabric piece, wherein the airbag is prepared by joining the peripheries of a non-occupant side base fabric piece on the inner side in the vehicle width direction, an occupant side base fabric piece on the outer side in the vehicle width direction, middle base fabric pieces on the front and rear sides in the vehicle, and base fabric pieces on the upper and lower sides in the vehicle, and wherein at least the middle fabric piece on a front side in the vehicle has a shape extending along the top surface and side surface of the console box in a front-rear view of the vehicle.