The harness comprises a backplate, a plurality of belts and an attachment. The backplate is arranged on the back of the user. The plurality of belts is configured so that one end of each belt is connected to the backplate and another end of each belt is connected to each other on the front of the user. The attachment is supported by at least one of the backplate and the plurality of belts, and is configured to be attached to the power equipment. The backplate preferably comprises at least one ventilation groove formed on its inner surface and extending to the edge of the backplate, which allows air to pass between the user and backplate easily.
