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Description
gossamer gear g4-20 ultralight G4-20 Ultralight 42 by Gossamer GearShips in 1 2 business days Based in Austin, TX Est. 1998 Made for ease on the trail The G4 20 is a tip of the hat to an OG pack. Gossamer Gear took what made the original "G4" so popular and roped in a gang of new fabrics and materials to create a minimal do it all frameless pack. Each buckle, zipper, and cord has been scrutinized for lightweight function. Features: Frameless Fixed hip belts with pockets and 1. 5" webbing PFAS free recycled fabric
Ships in 1-2 business days | Based in Austin, TX | Est. 1998
Made for ease on the trail
The G4-20 is a tip of the hat to an OG pack. Gossamer Gear took what made the original "G4" so popular and roped in a gang of new fabrics and materials to create a minimal do-it-all frameless pack. Each buckle, zipper, and cord has been scrutinized for lightweight function.
Features:
-
Frameless
- Fixed hip belts with pockets and 1.5" webbing
- PFAS-free recycled fabric
- Extendable roll-top with dual closure options
- Over-the-top compression strap
- Side shock cord four-point compression straps
- Zippered front pocket
- Easy access side pockets
- Large front mesh pocket
- Removable, molded sitpad
- Hydration sleeve
- Bottom gear loop and easy trekking pole stashing loops
_______________________________________________
Specs
Volume: 42L
- Main body to bottom of extension collar: 30L
- Mesh and Side Pockets: 12L
External Pockets: 6
Recommended Load Capacity: 30lbs
Sizing:
- Small: 17.25" (11.5"-15.5" torso) | 43.8cm (29.2cm - 39.4cm)
- Medium: 20.25” (15.5"-19.5" torso) | 51.4cm (39.4cm - 49.5cm)
- Large: 23.25” (19.5"-23.5" torso) | 59.1cm (49.5cm - 59.7cm)
*See our backpack sizing page to learn how to fit a backpack
Weight:
- Small: 20.4oz | 578g (pack), 23.2oz | 658g (with sitpad)
- Medium: 21.7oz | 675g (pack), 25oz | 709g (with sitpad)
- Large: 22.4oz | 635g (pack), 26.1oz | 740g (with sitpad)
Dimensions: 11" wide x 5.5" deep x 19.25-25" (depending on size) long | 27.9cm x 14cm x 48.9 - 63.5cm
- Extension collar height: 9" | 22.9cm
Materials: 70D & 100D Recycled Robic Nylon DWR coating. PFAS-Free.
Made in Vietnam
***Discounts are not available on Gossamer Gear products.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Great set of pillows!!!
Size: Standard (Pack of 2), Style: Soft, Configuration: Pillow
I ordered this set of two down alternative pillows to replace some older pillows, and I’m honestly really impressed with the quality.
Right out of the package, the pillows fluffed up nicely and felt soft yet supportive. They have that plush feel you want without being too flat or too firm, which makes them comfortable in multiple sleeping positions.
I’ve been sleeping on these for a bit now and they’ve held their shape well throughout the night. They provide good neck support while still feeling cozy, and I don’t wake up with soreness or stiffness.
What I like most is how breathable they feel compared to some other pillows I’ve tried. They stay comfortable without overheating, and the down alternative fill makes them a great option for anyone with allergies.
Overall, this set is an excellent value for the price. If you’re looking for soft, supportive pillows that feel comfortable and well made, I would definitely recommend these.
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Reviewed in the United States on February 10, 2026
★★★★★ 4
Great, soft, high-quality pillows, but too thick for me
Size: Standard (Pack of 2), Style: Soft, Configuration: Pillow
This will be a brief review of my pillow journey. I tried a few of the most popular pillows, like MyPillow, Amazon Basics, bamboo/shredded foam, memory pillows, but my most common complaint about them were that they were all just too high and firm for me. I am a restless sleeper and alternate between back, side, and stomach sleeping, and I strongly preferred the stomach sleeper/flat pillows with a polyester fiber/down alternative filling.
Here's a ranking of my 4 top pillows:
Eversnug Adjustable Layer Pillows - (#1)
These were THE pillow for me. I had never heard of these pillows or the company, but I really like being able to adjust my pillow. These pillows came with 2 small, 2 medium, and 2 large pillows and 2 twin zippable pillow pouches. All of them were polyester fiber filled and somewhat flat and soft, but not lumpy. The pillows may not come the exact same sizes, but they are close enough for me. These are the pillows I ultimately decided to stick with, despite being slightly more expensive than the others at $50 for a set of 2 pillows.
Nappler Bamboo Shredded Memory Foam Pillow - (#2)
Before I found the Eversnug pillows, I was trying the adjustable bamboo shredded memory foam ones. These were my go-to whenever I was testing pillows I didn't like very much. The only downside to these pillows is that if you don't add enough filling, you could feel the edges of the shredded foam. Also, the "bamboo" cover was way too warm and the inner zipper would get too easily caught.
Amazon Basics Down Alternative Pillow - (#3)
I don't think I've ever been disappointed by an Amazon Basics product yet. These pillows were soft, amazing pillows, but they were 1-2 inches too thick/firm for me.
MyPillow - (#4)
Despite all the hype around these, they were too lumpy and 1 inch too thick for me.
Like I said previously, I ended up going with the Eversnug Adjustable pillows, which I absolutely adore. A tiny bonus is that you can take the pillows you don't use and rest them on your sides or between your knees for some extra cushioning.
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Reviewed in the United States on July 12, 2023
★★★★★ 5
Good price and pretty comfortable
Size: Standard (Pack of 2), Style: Soft, Configuration: Pillow
These down alternative pillows are incredibly soft and comfortable, especially for stomach and back sleepers. The soft density gives just the right amount of support without feeling too firm or too flat. I’ve been sleeping much better since switching to these pillows, and they stay fluffy throughout the night.
I also love that they’re hypoallergenic, so there’s no irritation or overheating while sleeping. The standard size fits perfectly in my pillowcases, and the white color looks clean and fresh. Getting a 2-pack at this quality is a great value. Highly recommend for anyone looking for cozy, hotel-style pillows at an affordable price!
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Comfortable Pillows
Size: Standard (Pack of 2), Style: Soft, Configuration: Pillow
These pillows have a nice soft feel and are so comfortable. They’re supportive without being too firm, so my neck feels comfortable throughout the night. They’re lightweight, fluffy, and easy to adjust for different sleeping positions. The material feels smooth and well-made, and the pillows hold their shape better than I expected for the price. They use some alternative fill instead of real feathers which is good for people with allergies.
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Reviewed in the United States on March 30, 2026
★★★★★ 3
Mid range quality
Size: Standard (Pack of 2), Style: Soft, Configuration: Pillow
They work for kids who aren’t picky. Size fit twin bedding well. Look nice and clean. Quality is mediocre. It wasn’t filled very much even after giving time for it to breathe and fluff. Kind of lumpy and lopsided.
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Reviewed in the United States on February 28, 2026