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Arc'teryx
Arc'teryx Aerios 18 Backpack | Ultralight 18L Daypack with a Customizable Fit | Nightscape, Regular Regular Nightscape
5.0
Based on 1 reviewsReal-World Testing
30 days of real-world testing
Recently Updated
Updated Nov 17, 2025
Technical Specifications
Complete product details
- Product Dimensions
- 5.7 x 9.45 x 19.29 inches
- Item Weight
- 1.4 pounds
- Department
- unisex-adult
- Manufacturer
- Arc'teryx
- ASIN
- B0DP3KX55Z
- Item model number
- X000009581
- Customer Reviews
- 5.0 5.0 out of 5 stars 1 rating 5.0 out of 5 stars
- Best Sellers Rank
- #3,082,716 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #26,914 in Backpacks
- Age Range Description
- Adult
- Number Of Items
- 1
- Capacity Total
- 18 Liters
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About the Author
Expert analysis by Theo Armand
Theo Armand
Expert ReviewerContributing Editor
Theo tackles everyday tech at Review Atlas—air purifiers, robot vacuums, and smart ranges that claim to “learn.” He benchmarks suction, filtration, and energy use with the same discipline he once applied to industrial HVAC projects. His reviews balance lab numbers with lived‑in testing, surfacing products that perform when your home is actually messy.
Consumer ElectronicsHome KitchenMajor Appliances
View Full ProfileHow We Tested This Product
Our rigorous, independent testing process
Testing Period
30 days
Tested By
Theo Armand
Our Testing Process
- We purchase all products at full retail price to ensure unbiased testing
- Products are tested in real-world conditions matching everyday use
- Our experts conduct both objective measurements and subjective evaluations
- Reviews are regularly updated as new products enter the market
- Tested according to our Backpacks testing methodology
Last updated: November 17, 2025
|Independently tested and reviewed