BIG AGNES Copper Spur UL 2 XL Footprint 2025BIG AGNES Copper Spur UL 2 XL Footprint 2025 Footprint helps protect the floor of the tent from abrasion, mud and water and extend the life of your tent floor. 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. MATERIAL Proprietary HyperBead fabric technology; 30D nylon ripstop with 1500mm waterproof