SKU: 24635654434

Arc'teryx Aerios 18 Backpack Unisex | Ultralight 18L Daypack with a Customizable Fit | Fluidity, Regular

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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4

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Description

Arc'teryx Aerios 18 Backpack Unisex | Ultralight 18L Daypack with a Customizable Fit | Fluidity, RegularBrand: Arc'teryx Color: Fluidity Features: Aerios 18 Backpack: Ultralight 18L daypack with a customizable fit Trail: For technical mountain activities, durable and protective designs with a focus on freedom of movement for remote and varied conditions. Daypacks: Functional packs streamlined for ease of use and lightweight. Activity specific designs. Synthetic Fibre: Engineered materials that offer enhanced properties or performance. model number:

Brand: Arc'teryx

Color: Fluidity

Features:

  • Aerios 18 Backpack: Ultralight 18L daypack with a customizable fit
  • Trail: For technical mountain activities, durable and protective designs with a focus on freedom of movement for remote and varied conditions.
  • Daypacks: Functional packs streamlined for ease of use and lightweight. Activity-specific designs.
  • Synthetic Fibre: Engineered materials that offer enhanced properties or performance.

model number: X000009581

Part Number: X000009581

Details: Description

Available in two sizes with interchangeable hipbelt and shoulder strap options to assure a precise, personalized fit Proprietary 210D Hadron™ LCP (Liquid Crystal Polymer) grid pack fabric is incredibly light and exceptionally durable FC0 DWR (Durable Water Repellent) finish repels moisture and is PFAS-free Interchangeable harness system is available in two sizes for a precise fit across a wide range of body types Highly breathable AeroForm back panel and anti-barreling frame sheet enhance carrying comfort Reservoir-compatible main compartment with clip and tube port supports hydration systems Highly breathable shoulder harness has two zippered pockets that accommodate 500mL soft flasks or devices Patent-pending two-point harness system adjusts at top and bottom for optimal pocket positioning and fit Adjustable dual-point sternum strap and removable waist belt for comfort and stability Two side pockets with fast closure system for easy access Dual attachment points secure trekking poles Quick-adjust front bungee compression system and webbing daisy chain provide external carry options Top pocket and internal security pocket with key clip organize small essentials

EAN: 0623555794400

Package Dimensions: 20.1 x 13.7 x 3.3 inches

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 24635654434

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4.7 ★★★★★
Based on 10 reviews
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Product Reviews
A
Verified Purchase
Anon
Fort Morgan, US
★★★★★ 4
Delicate and pretty but does the job
Color: Light Coral, Size: 40DDD
This is a new brand of bra for me and I got it because it was recommended. Today I'm wearing it and have a few thoughts: 1) The straps are comfortable. In fact, the whole thing is comfortable. It doesn't look like it would be comfortable at all, but it's pretty nice. 2) I'm not so sure about the sturdiness. When putting this on this morning, the mesh actually ripped a little bit as I was positioning it around my torso after buckling the back together. This is how I put bras on: Turn it upside down and have the snaps facing the front, snap the snaps, then rotate it around your torso until it's positioned correctly, then flip it rightside up over your breasts. Is there some other way? I'm super afraid of ripping the delicate material now. 3) Despite how delicate the material is, it does have some give once on and holds my breasts well. 4) The fit is good. I'm normally a 40DDD. If I go up a cup size, then the underwire digs into my skin, so I want to avoid that. These seem a bit snug so as I wear it today, I'm going to watch for "spillage" where breasts start bunching up at the top. I know, that sounds so gross, but larger breasted ladies know what I mean! To answer some questions: Yes, it has adjustable straps. Are there bras that don't have adjustable straps that aren't sports bras? Yes, it is machine washable, though this is one of the first bras where I think I might actually need to use a delicates bag because the lace is just so delicate. It's very pretty, holds well, minimizes well, is pretty comfortable, but just a lot more delicate than I'm used to.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 22, 2025
M
Verified Purchase
mark smith
Bozeman, US
★★★★★ 5
Great affordable bra
Color: Balsam Blue, Size: 38I
Best bra I have purchased! I wear a 38 I and this is without a doubt the comfiest bra I own. No side boob or uniboob! The fit is perfect and there is no spillage on the tops or sides and I'm not having to constantly adjust myself. I didn't think it was possible to find cute, supportive bra for under $40 but here we are. They also have great support for when I'm at the gym. I do tend to still put a looser fitting sports bra over the HSIA bra when I'm working out for my own comfort, but it's not really necessary and I would most likely be fine during my workout without the extra layer.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
T
Verified Purchase
Tina K
Omaha, US
★★★★★ 3
Cute but could be better
Color: Dark Pink, Size: 38DD
This bra definitely looks really good and has a sexy style to it. It does a decent job overall, especially for the price, but after trying two different bras from the same brand, I honestly liked the more expensive one much better. The lace on this one is pretty, but it shows through thin shirts and tighter materials. The underwire also started digging into my skin after wearing it for a bit, and the lace caused some irritation. The fit wasn’t bad, but the pricier version was noticeably more comfortable and fit better overall. For $16, this bra is still decent and looks nice, but if you’re deciding between the two, I’d recommend spending a little extra money on the more expensive one for the added comfort and better fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
J
Verified Purchase
Jasmine
Battle Creek, US
★★★★★ 5
Best bra ever 💯
Color: Dark Pink, Size: 38DDD
I have seen these bras hyped everywhere especially tiktok, so I was expecting to be somewhat disappointed. Instead i am shocked by how much I love it and am immediately looking to buy more of them!! This is the most comfortable bra I have ever worn. I am a 38DDD, and it actually does appear to minimize and lift my chest in shirts while being so much more comfortable than any other bra. My back pain is gone???? Its affordable??? 100000000/10. Buy it 😭😭
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
F
Verified Purchase
Fine but wouldn’t buy again
Lake Worth, US
★★★★★ 5
Good fit, but wire isn’t good for super lg breast
Color: Purple, Size: 36I
While I love the fit of these bras I’ve order almost one in every color, I have to say the wire does break a little easily they always snap right under my under arm now ik I have very large breast I’m between a I and J cup. These are a little tight but you can still adjust them I still love them despite the wire snapping. I’d say they last longer for small breast like my sister I accidentally ordered the wrong cup size and it fit her now she’s hooked on this brand and has an equal amount of colors😂 it’s easy to wash and I wouldn’t say it’s soft because it’s mesh I don’t think mesh is that soft like silk or anything but it’s definitely smooth and see through so my bf and I love that part whenever I wanna get spicy and send a pic during the day.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026

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