Copper Spur UL3 XL vs Crag Lake SL3: Which 3-Person Tent Fits Your Camping Style?
By Sleeping Bags, Tents, Pads & Outdoor Gear | Published: 2026-08-17
Category: Comparisons
Compare the ultralight Copper Spur UL3 XL with the roomy Crag Lake SL3. We break down weight, space, and features to help you choose the best 3-person tent for your adventures.
Choosing the right 3-person tent can make or break your outdoor experience. Whether you're planning a minimalist backpacking trip or a comfortable car camping weekend, the tent you pick needs to match your priorities. Two popular options from our store are the Copper Spur UL3 XL and the Crag Lake SL3. Both are excellent shelters, but they serve different purposes.

In this comparison, we'll break down the key differences in weight, space, durability, and features. By the end, you'll know which tent aligns with your camping style—and which one deserves a spot in your gear closet.
Weight and Packability: Ultralight vs. Car Camping
The most significant difference between these two tents is their weight. The Copper Spur UL3 XL is designed for backpackers who count every ounce. It uses high-quality, lightweight materials to keep the total weight impressively low, making it easy to carry over long distances. If you're planning a multi-day trek, this tent will be your best friend.
On the other hand, the Crag Lake SL3 is a car camping tent. It's heavier and bulkier, but that's okay if you're driving to your campsite. The extra weight buys you more space and a more robust structure. If you prioritize comfort and don't mind a heavier load, the Crag Lake SL3 is a solid choice.
- Consider the Copper Spur UL3 XL if you're backpacking more than 5 miles.
- Choose the Crag Lake SL3 if you're car camping and want maximum interior space.
Interior Space and Layout
Space is where the Crag Lake SL3 shines. It offers generous headroom and floor area, comfortably accommodating three adults with room to spare. The vertical walls and large vestibules provide plenty of storage for gear, keeping the sleeping area clutter-free. If you're camping with friends or family, this tent feels spacious and airy.
The Copper Spur UL3 XL, while lighter, still manages to offer a smart layout. It features two doors and two vestibules, allowing each camper to enter and exit without climbing over others. The interior is slightly more snug, but the clever design maximizes usable space. It's an excellent option for three backpackers who don't mind cozy quarters.
- The Crag Lake SL3 is ideal for families or groups who value room to move.
- The Copper Spur UL3 XL's dual vestibules are perfect for storing packs and boots.
Durability and Weather Resistance
When it comes to withstanding the elements, both tents are built to last, but they have different strengths. The Crag Lake SL3 uses thicker fabrics and a more robust pole structure, making it more resistant to strong winds and rough handling. It's a tent that can take a beating and keep you dry in a downpour.
The Copper Spur UL3 XL uses lighter materials that are still durable, but they require a bit more care. It's designed for fair-weather backpacking and can handle typical rain and wind, but it's not meant for extreme conditions. If you expect harsh weather, you might want to add a footprint for extra protection.
- Pair the Copper Spur UL3 XL with a footprint to extend its lifespan.
- The Crag Lake SL3 is a more rugged option for exposed campsites.
Ease of Setup and Packability
Both tents feature color-coded poles and clips that make setup straightforward, even for beginners. The Copper Spur UL3 XL packs down small, fitting easily into a backpack with room to spare. Its stuff sack is compact and lightweight, perfect for ultralight enthusiasts.
The Crag Lake SL3, being larger, takes a bit more time to set up and packs into a bigger bag. However, it's still manageable and can be assembled by one person in about 10 minutes. If you're car camping, the extra size isn't a problem, and the tent's stability is worth the effort.
- Practice setting up your tent at home before your first trip.
- Use a tent footprint to protect the floor from abrasion.
Accessories and Add-Ons
To get the most out of your tent, consider compatible accessories. For the Copper Spur UL3 XL, a footprint is a wise investment to protect the floor and extend the tent's life. Our store offers the Crag Lake SL2 Footprint, which is designed for a similar footprint size and can be a great option if you're looking for extra protection.
If you're car camping with the Crag Lake SL3, a tent stuff sack can help organize your gear. The Tent Stuff Sack 8”x25” is perfect for storing tent poles or other accessories. These small additions can make your camping experience more convenient and enjoyable.
- Always use a footprint to prevent punctures and tears.
- A stuff sack keeps your tent organized and easy to carry.
In the end, the choice between the Copper Spur UL3 XL and the Crag Lake SL3 comes down to your camping style. If you're a backpacker who values lightweight gear and minimal space, the Copper Spur UL3 XL is your match. If you're a car camper who wants maximum comfort and room, the Crag Lake SL3 won't disappoint. Both tents are excellent, so pick the one that fits your adventures best.



