BIG AGNES Copper Spur UL3 2026BIG AGNES Copper Spur UL3 this 3 person tent weighs the same or less than most 2 person tents, and is incredibly spacious and roomy for its weight and packed volume both of which are incredibly minimal. This model features proprietary HyperBead fabric engineered to perform season after season. Strongest and most durable HyperBead fabric is 6% lighter, 25% more waterproof and 50% stronger than traditional fabrics, without added water repellent