The Gossamer Gear Sidequest 3L is an ultralight crossbody bag made by Gossamer Gear, a company known for stripping gear down to bare essentials. At 9 inches tall by 9.75 inches wide and just 1.25 inches deep, this sacoche-style pack holds 3 liters of capacity and challenges Patagonia’s established EDC crossbody with a Japanese-inspired design philosophy focused on function over frills.
Key Takeaways
- Sidequest 3L measures 9″ × 9.75″ × 1.25″ with 3L capacity, designed for minimal everyday carry
- Airflow mesh shoulder strap and Lineloc adjustment system prioritize comfort and weight savings
- Wears crossbody, over-shoulder, or clips to Gossamer Gear packs via o-rings for versatility
- Gossamer Gear specializes in ultralight gear; other packs include the 16.2 oz Grit 28 and 8.9 oz Quiksak 26
- Positioned as a direct challenger to Patagonia’s go-to EDC model with stripped-down Japanese aesthetics
Why Ultralight Crossbody Bags Matter for Minimalists
An ultralight crossbody bag solves a specific problem: you need to carry essentials without the bulk of a traditional backpack. The Sidequest 3L targets this gap by offering a compact sacoche that weighs almost nothing and fits flat against your body. Unlike bulkier EDC satchels, this ultralight crossbody bag prioritizes airflow and minimal contact points, which matters if you’re moving through warm climates or carrying the bag for extended periods.
Gossamer Gear has built its reputation on this philosophy. The company’s other packs—like the Grit 28 fastpacking pack and the Quiksak 26—follow the same logic: strip weight, keep functionality, and let the user decide what to carry. The Sidequest applies that ethos to everyday carry, removing padding, excessive pockets, and unnecessary structure. This approach appeals to hikers who want a do-everything pack that doesn’t require a separate EDC solution, as well as urban users who reject the tactical aesthetic of mainstream crossbody bags.
Sidequest 3L Design: Japanese Simplicity Meets Function
The Sidequest’s design draws from Japanese minimalism—clean lines, intentional pockets, nothing decorative. The front features an exterior zippered stretch mesh pocket with a key clip, while the main compartment includes a mesh divider pocket for organization without adding weight. A back drop-open pocket lets you access items quickly without unzipping the main bag.
The airflow mesh shoulder strap is the standout detail. Rather than padded neoprene, Gossamer Gear uses breathable mesh that reduces heat buildup and weight. The Lineloc strap adjustment system keeps the strap secure without sliding, a small detail that prevents constant readjustment during the day. You can wear the Sidequest crossbody-style, slung over one shoulder, or clip it to a larger Gossamer Gear pack via o-rings when you need extra capacity on a longer outing.
This versatility distinguishes it from Patagonia’s EDC crossbody, which is optimized for a single wear style. The Sidequest’s modular approach—the ability to clip and unclip, switch between carry styles—gives it an advantage for users who shift between urban commuting and light backpacking.
Gossamer Gear’s Track Record with Ultralight Design
Gossamer Gear has spent years refining ultralight gear. The Mariposa 60 thru-hiking pack weighs 968 grams and costs 575 AUD, demonstrating the company’s commitment to weight savings without sacrificing load capacity. The Grit 28 fastpacking pack comes in at just 16.2 ounces and includes a foam back panel that doubles as a sit pad—a clever detail that eliminates the need for a separate piece of gear. The Quiksak 26 weighs only 8.9 ounces, making it one of the lightest 26-liter packs available.
However, ultralight gear comes with trade-offs. Gossamer Gear’s mesh materials, while breathable and light, can develop holes faster than heavier fabrics on competing ultralight packs. The Sidequest’s mesh divider pocket and stretch exterior pocket will likely face the same durability questions. For users who prioritize longevity over weight savings, this is a real consideration. For those willing to accept wear and repair as part of ultralight ownership, it is a non-issue.
Sidequest 3L vs. Patagonia EDC Crossbody: Where They Differ
Patagonia’s go-to EDC crossbody remains unnamed in available specifications, but the general category—mainstream outdoor brands’ EDC satchels—tends toward heavier materials, more padding, and multiple organizational pockets [article title]. These bags prioritize durability and comfort for all-day wear at the cost of weight.
The Sidequest takes the opposite approach. It assumes you know what you need to carry and will organize accordingly. It sheds weight, reduces contact points, and lets the bag disappear into your daily routine rather than announce itself. If you carry a laptop or heavy items daily, Patagonia’s design likely feels more comfortable. If you carry keys, a phone, a wallet, and maybe a small notebook, the Sidequest’s minimalism becomes an advantage.
Should You Buy the Gossamer Gear Sidequest 3L?
The Sidequest 3L is for people who have already committed to ultralight philosophy and want an EDC bag that matches that commitment. It is not a gateway ultralight bag—it assumes you understand the trade-offs of mesh materials, minimal padding, and stripped-down design. If you are exploring ultralight gear for the first time, Patagonia’s option or a mid-weight alternative might feel more forgiving.
For backpackers and hikers who want a single bag that handles both trail and town, the Sidequest’s modularity—clipping to a larger pack or wearing standalone—makes it compelling. For urban commuters who want a lightweight alternative to tactical crossbodies, it delivers. For anyone else, it is probably overkill.
What is the Sidequest 3L capacity compared to other Gossamer Gear bags?
The Sidequest 3L holds 3 liters, making it one of Gossamer Gear’s smallest offerings. The Quiksak 26 holds 26 liters total with a 3-liter exterior pocket, the Grit 28 holds 28 liters, and the Mariposa 60 holds 60 liters with removable hip belt options. The Sidequest is strictly an EDC sacoche, not a hiking pack.
Can you wear the Sidequest 3L different ways?
Yes. The Sidequest can be worn crossbody, slung over one shoulder, or clipped to a larger Gossamer Gear pack via o-rings. This modularity lets you adapt the bag to different activities without buying multiple pieces.
Does Gossamer Gear mesh hold up over time?
Gossamer Gear’s ultralight mesh materials can develop holes faster than heavier fabrics on competing ultralight packs, according to field reviews. Users who expect ultralight gear to last decades may be disappointed, but those comfortable with occasional repairs view this as an acceptable trade-off for weight savings.
The Gossamer Gear Sidequest 3L is not a better EDC bag than Patagonia’s—it is a different one, built for a specific user who values minimalism and weight over padding and durability. If that describes you, it deserves serious consideration.
This article was written with AI assistance and editorially reviewed.
Source: T3
