Kammok: High Performance Gear to Elevate Camp

Mantis UL vs Roo Double: A Detailed Comparison for Backpackers

Mantis UL vs Roo Double: A Detailed Comparison for Backpackers

By Kammok: High Performance Gear to Elevate Camp | Published: 2026-08-18

Category: Comparisons

Deciding between the ultralight Mantis UL and the spacious Roo Double? We break down weight, comfort, and versatility to help you choose the perfect Kammok hammock for your adventures.

When you're planning your next backpacking trip, the gear you choose can make or break the experience. For hammock campers, the eternal dilemma is balancing weight and comfort. Kammok offers two exceptional options: the ultralight mantis-ul-hammock-tent-3f3cf90a6b80a50e6a2a85cc-505933">Mantis UL and the spacious Roo Double. Both are beloved by outdoor enthusiasts, but they serve different purposes. In this detailed comparison, we'll help you decide which hammock deserves a spot in your pack.

Roo Double
Roo Double

We'll examine weight, packability, comfort, durability, and versatility, and we'll also touch on how each pairs with accessories like the Swiftlet stand for car camping or backyard lounging. By the end, you'll know exactly which Kammok hammock aligns with your camping style.

Weight and Packability: The Backpacker's Dilemma

For backpackers, every ounce counts. The Mantis UL is Kammok's answer to the ultralight enthusiast. Weighing in at just around 20 ounces (including suspension), it's a featherweight champion that packs down smaller than a loaf of bread. This makes it an ideal companion for multi-day treks where pack space is at a premium. The Mantis UL uses a 10D nylon ripstop fabric that is both incredibly light and surprisingly durable, ensuring you can rely on it mile after mile.

In contrast, the Roo Double is a roomier hammock designed for comfort and sharing. It tips the scales at about 31 ounces, which is still reasonable for a double hammock, but noticeably heavier than the Mantis UL. When packed, the Roo Double takes up more space in your backpack, which might be a dealbreaker for ultralight purists. However, if you prioritize lounging room over weight savings, the Roo Double's larger footprint is a worthy trade-off.

  • Mantis UL: ~20 oz, packs small, ideal for ultralight backpacking
  • Roo Double: ~31 oz, larger packed size, better for car camping or shorter hikes

Comfort and Space: Solo vs. Double

Comfort is subjective, but hammock design plays a huge role. The Mantis UL is a single-person hammock with a tapered shape that hugs your body, reducing fabric bulk and providing a snug, cocoon-like feel. It's perfect for solo adventurers who want a lightweight sleep system. The 9-foot length is sufficient for most users, but taller campers might find it a bit restrictive.

The Roo Double, as the name suggests, is designed for two people or for those who simply love extra space. Measuring 10 feet long and 6 feet wide, it offers a sprawling, stable platform that feels like a floating bed. Even solo sleepers often prefer the Roo Double for its generous room to stretch out and the ability to adjust your sleep angle without feeling constrained. If you're camping with a partner or a dog, the Roo Double is the clear winner.

Durability and Materials: Built to Last

Both hammocks are constructed with Kammok's commitment to quality, but they use different materials to achieve their respective goals. The Mantis UL features a 10D nylon ripstop fabric that is incredibly lightweight yet still offers good tear resistance. It's designed for minimalists who are willing to trade a bit of durability for weight savings. The fabric has a soft, silky feel that is comfortable against the skin.

The Roo Double uses a heavier 40D nylon ripstop, which is more robust and better suited for frequent use, especially in rugged environments. This fabric is also more breathable, which can be a plus in warm weather. Both hammocks come with Kammock's trusted hardware, including the SwiftClip suspension system on the Mantis UL, which makes setup a breeze. The Roo Double uses a similar, user-friendly suspension that adjusts quickly to any tree spacing.

Versatility: From Backcountry to Backyard

Your camping style should dictate your hammock choice. The Mantis UL is a specialized tool for the backcountry. Its lightweight design makes it perfect for thru-hikes, bikepacking, or any adventure where you need to minimize load. It also pairs beautifully with a tarp and underquilt for a complete sleep system that won't weigh you down.

The Roo Double shines in more social settings. It's ideal for car camping, festival weekends, or simply relaxing in your backyard. You can even pair it with the Swiftlet portable hammock stand to create a comfortable lounging spot anywhere. The extra space makes it easy to share with friends or use as a family hammock. If you're looking for a hammock that can do it all, the Roo Double offers more versatility in terms of use cases.

Price and Value: What's Worth Your Money?

Price is always a factor. The Mantis UL is positioned as a premium ultralight option, and its price reflects the advanced materials and engineering required to achieve such low weight. For serious backpackers, the investment is justified by the performance and longevity of the product.

The Roo Double, while not inexpensive, offers excellent value for those who want a durable, spacious hammock without the ultralight premium. It's a versatile piece of gear that can serve multiple purposes, from camping to everyday lounging. When you consider the cost per use, the Roo Double often comes out ahead for recreational campers.

Making the Choice: Which Kammok Hammock Is Right for You?

Ultimately, the decision between the Mantis UL and the Roo Double comes down to your priorities. If you're an ultralight backpacker who counts every gram and wants a hammock that disappears in your pack, the Mantis UL is your best bet. It delivers on its promise of minimalism without sacrificing comfort.

If you value space, comfort, and the ability to share your hammock with a partner or pet, the Roo Double is the way to go. It's a versatile, durable hammock that will serve you well on both camping trips and lazy afternoons at the park. Consider how you plan to use your hammock most often, and you'll know which one to choose.

Both the Mantis UL and the Roo Double are outstanding hammocks from Kammok, each excelling in its own niche. By weighing the importance of weight, space, and versatility, you can confidently pick the hammock that will elevate your outdoor experiences. Whichever you choose, you're investing in high-performance gear that will last for years. Explore our full range of hammocks and accessories to find your perfect match.

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