Big Agnes Copper Spur UL4 Tent: 4-Person 3-Season

Copper Spur UL4—lightweight and spacious four-person tent with HyperBead fabric and dual vestibules

What Our Gearhead® Experts Are Saying:

"This four-person tent is my top choice for group backpacking. It´s light for its size and incredibly durable, and the dual vestibules make it easy for everyone to stash gear. The HyperBead fabric is a big upgrade—it holds up through every season while keeping the weight down."

The Copper Spur UL4 is the ultimate shelter for group backpacking and family adventures. Big Agnes designed this four-person tentwith their proprietary HyperBead fabric, making it lighter, stronger, and more waterproof than ever—ideal for three-season trips. With spacious interior space, high-volume architecture, and pre-bent poles, it offers exceptional livability while keeping pack weight manageable. Dual doors and expansive vestibules provide easy access and abundant storage, while Low Vent and roof vent features optimize airflow, reducing condensation during humid nights.

Details

• Ultralight, four-person, three-season tent for group adventures
• Proprietary HyperBead fabric improves durability, waterproofing, and eco-friendliness
• Spacious 57 square feet of interior space with dual doors and vestibules
• Pre-bent poles and high-volume architecture maximize livable space
• Low Vent and roof vent features enhance airflow and reduce condensation
• TipLok Tent Buckle simplifies setup and stabilizes the structure
• Includes reflective guylines and tensioners for nighttime visibility
• Lightweight and packable at just 5lb, perfect for multi-day trips
• Item #BAGZ2GO

Tech Specs

Material

[rainfly, floor] HyperBead (15D nylon, 20D ripstop, PFAS-free waterproof coating 1500mm), [tent canopy] 15D nylon, 20D ripstop, 15D polyester mesh

Capacity

4-person

Season

3-season

Wall Type

double-wall

Poles

2 DAC NSL, 10 6in Dirt Dagger UL stakes

Pole Attachment

TipLok Tent Buckle

Number of Doors

2

Number of Vestibules

2

Vestibule Space

14sq ft + 14sq ft

Ventilation

Low Vent vestibule, mesh canopy

Seams

PU taped

Gear Loft

sold separately

Interior Height

50in

Floor Dimensions

86 x 96in

Floor Space

57sq ft

Packed Size

22 x 7in

Footprint Included

sold separately

Fast-pitch Option

with footprint (sold separately)

Fast-pitch Weight

4lb 3oz

Trail Weight

5lb 4oz

Packed Weight

5lb 11oz

Activity

ultralight backpacking, backpacking

Manufacturer Warranty

limited