The Big Agnes Fly Creek HV UL1 mtnGLO Footprint is a ground cover for the Fly Creek HV1 mtnGLO tent. Lay it out on the ground for extra protection before pitching your tent. Less dirt and grime, plus prevents water from soaking through. Features of the Big Agnes Fly Creek HV UL1 mtnGLO Footprint Fast Fly configuration requires the footprint, tent fly, poles, and stakes Footprint also enables you to pitch a lightweight, Fast Fly shelter while leaving the tent body behind