Built for ultralight adventures without sacrificing space, the Big AgnesA(R) Copper Spur UL4 offers generous room for four backpackers. Featuring advanced HyperBead fabric, dual doors, and expanded ventilation, this freestanding tent delivers all-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 Ceiling and side pockets provide organized gear storage Low Vent and high fly vent improve airflow TipLok Tent Buckle simplifies setup and rainfly attachment Reflective guylines and webbing enhance nighttime visibility