Copper Spur UL2, by Big Agnes, has been an undisputed technical bivouac tent since 2008. It embodies the perfect balance between extreme lightweight, livable volume, and durability.
Designed for demanding hikers and backcountry experts, this freestanding three-season tent has been fully optimized. With the introduction of the proprietary HyperBead™ fabric, it pushes the boundaries of materials science: lighter, more stable, and featuring enhanced waterproofing without the use of PFAS chemical treatments.
Its high-volume architecture maximizes interior space to deliver superior sleeping comfort, even during extended expeditions.
Whether you're facing ridge winds or valley humidity, the Copper Spur UL remains the ultimate shelter, combining precision engineering and intuitive features for an uncompromising user experience.
Main features
- With a featherweight of 1.37kg, you carry less and gain freedom on every stage of your adventure.
- With a hydrostatic head resistance of 1500 mm and fully polyurethane tape-sealed seams, you stay protected from rain and the elements.
- 6% lighter, 25% more waterproof and 50% more resistant than traditional nylon fabrics. It requires no re-waterproofing and offers exceptional dimensional stability for a tent that stays perfectly taut.
- True to our environmental commitments, this tent is designed without intentionally added PFAS, using durable and ecosystem-friendly waterproofing technologies.