Big Agnes Copper Spur HV UL1 Footprint - AsphaltBig Agnes' Copper Spur UL1 Footprint is compatible with the Copper Spur UL1 and Copper Spur UL1 Bikepack tents featuring TipLok tent buckles. Use it to protect and increase the tent floor's lifespan. Made from HyperBead, the 30 denier ripstop nylon fabric is waterproof, abrasion and stretch resistant, and PFC free. You can use the footprint to achieve the Fast Fly tent configuration. The setup requires the footprint, tent flysheet, poles, and tent