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Details & care
Durable tech fabric means lasting utility for this spacious belt bag designed for running errands around town or heading out for a trip or quick hike. A spacermesh back panel improves airflow, while plenty of zip pockets keep your belongings secure.
- 6" x 8 1/4" x 3"
- Two-way top-zip closure
- Adjustable belt/crossbody strap with squeeze buckle
- Exterior zip pockets; key clip
- Interior zip and wall pockets
- Durable water-repellent (DWR) finish
- 600-denier and 200-denier recycled polyester plain weave
- 100% recycled polyester
- Imported
- Item #11255408
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Arc'teryx
With a name inspired by the first reptile to sprout feathers for flight, it's no surprise Arc'teryx is all about creating outdoor clothing and gear that allow users to perform at the point of extreme need. Its innovative, highly technical outerwear protects against the elements while ensuring ease of motion for an optimal outdoor experience.
Most helpful positive review
Apr 29, 2026
Great waist bag!
Loving this fanny bag! I use it for traveling towns, hiking trails and just going for walks with my dog. It’s compact, fits small items including a cell phone.
Miso
Reposted from arcteryx.com
Most helpful critical review
Jan 3, 2026
Worst than previous Mantis 1
I have been using Mantis for many years and im very disappointed with this new model , instead of doing a better product you did a worse one . The zipper length space is smaller and i can not put my iphone pro max easily inside as with the previous Mantis , also the textile layer you added in the middle of the main pocket gets stucked when trying to put the mobile phone inside ( i had to swew it to the front part so i can insert the mobile properly, what a disappointment i don’t understand why you went backwards with the design. Also the waist belt and clip is way thinner, lets see how it performs.
Pablo CM
Reposted from arcteryx.com
arcteryx.com response
Hello there, thank you for taking the time to share such honest feedback. We’re really sorry to hear that the updated version of the Mantis 1 Waist Pack has felt like a step backward for you. Your comments about the smaller zipper opening, the added textile layer interfering with how you stow your phone, and the thinner waist belt and clip highlight very real usability concerns, and we understand how frustrating it must be to have to modify the product yourself just to make it work the way your previous Mantis did. This isn’t the experience we want for someone who has trusted our gear over time. Your detailed feedback will be shared directly with our team so we can carefully consider it as we continue to refine future iterations of the Mantis 1 Waist Pack.
5 stars
68%
4 stars
10%
3 stars
0%
2 stars
10%
1 star
13%
Sort by Most Helpful
Miso
Reposted from arcteryx.com
Apr 29, 2026
Great waist bag!
Loving this fanny bag! I use it for traveling towns, hiking trails and just going for walks with my dog. It’s compact, fits small items including a cell phone.
jiaojiao
Reposted from arcteryx.com
Apr 1, 2026
nice color
the color I've been waiting for is finally here! Good capacity & comfort to wear
Lee27
Reposted from arcteryx.com
Mar 10, 2026
perfect for travel
Great travel companion, with 2 kids this holds all the passports, wipes and whatnot to keep my pockets free and everything on hand
Ty Le
Reposted from Arc'teryx
Mar 7, 2026
mantis waist pack
perfect for skate essentials! phone. wallet. skate tool.
Nauman
Reposted from arcteryx.com
Feb 19, 2026
Nice quality and light weight.
Haven’t yet used it. But quality is great. Only thing I noticed was one of the zipper grip do get stuck in the zipper pocket below when you are closing the blow one. But not big deal.
Fogdactyl
Reposted from arcteryx.com
Feb 13, 2026
New strap is dreadful
This used to be one of my favorite bags, but the revision means that it no longer easily holds my big iPhone (the one from two years ago did). It can fit, but it’s doesn’t easily slide in. Also the strap is narrow, less comfortable, and has sharper edges that are very abrasive to clothing. My poor Atom is full of micro tears after wearing it three times, and Arc’teryx won’t cover damage from the mantis bag under their warranty. Nothing super heavy. Not even my phone in there.
The older one had no problem.
Please change these things back!
Otherwise it’s very well laid out and a great size. But that doesn’t matter if a 1l bag shreds your clothes.
arcteryx.com response
Hello there, thank you for taking the time to share such detailed feedback on the Mantis 1 Waist Pack. We’re sorry to hear about the issues you’ve experienced with the updated design, especially given how much you’ve enjoyed previous versions of the bag. Your concerns about the phone fit, the narrower strap, and the abrasion to your clothing are absolutely valid, and we understand how disappointing this must feel. We appreciate you bringing this to our attention, and we’ve shared your comments with our product team as part of our ongoing design review process. Thank you again for your honesty and for being part of our community.
