To extend the life of your tent floor, Big Agnes recommends using a Big Agnes footprint. The Big Agnes footprint also enables you to pitch a lightweight, Fast Fly shelter while leaving the tent body behind. The Fast Fly configuration requires the footprint, tent fly, poles, and stakes. Compatible with the 2021 Copper Spur HV UL2, Bikepack, and mtnGLO tents Not compatible with previous Copper Spur tent models Featuring TiplokTent Buckles Fast Fly setup available Packed Weight: 9oz / 255g Packed Size: 7.5" x 5.5" x 2" / 19 x 14 x 5cm