The Big AgnesA(R) Copper Spur UL3 delivers ultralight strength with high-volume space for three backpackers. Featuring advanced HyperBead fabric, dual doors, and expanded storage, this freestanding tent is built for season-after-season reliability. HyperBead fabric is lighter, stronger, and more waterproof Freestanding design-no need to stake out corners Dual doors with dry-entry vestibules for easy access Awning-style doors expand coverage with trekking poles Oversized 3D bin pocket for off-the-floor storage Low Vent and high fly vent improve airflow TipLok Tent Buckle simplifies setup and rainfly attachment Reflective guylines and webbing enhance nighttime visibility