A resilient aerodynamic skirt assembly is provided, the aerodynamic skirt assembly comprising a skirt panel adapted to connect to a trailer to route airflow along the trailer, skirt supports adapted to connect the skirt to a trailer are also provided with a plurality of resilient struts providing lateral support to the skirt panel, the resilient struts allowing substantial lateral deflection of the skirt panel away from an aerodynamic configuration. A method of assembling an aerodynamic skirt assembly and an aerodynamic skirt kit are also provided.