Featuring two doors, two vestibules, a full rain fly, a top vent, a freestanding hubbed aluminum pole system, interior pockets, and a spacious interior, the Copper Spur HV UL2 packs every major feature into a solid, 3 lb package. My review: The Copper Spur HV (for Higher Volume) is a redesign of one of my … More Big Agnes Copper Spur HV UL2 Review