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Stay comfortable and move freely on the trail with the Aero 28. Designed with a close-to-body vest-style harness, it gives you easy access to food, water, and gear—so you can keep going without stopping. Read more..
Whether you're pushing for a fastest known time or just racing the sunset, this pack has your back.
UL Fastpacking / Thru Hiking / Backpacking
Fit: Take into account your typical pack size and shirt size, as well as your body type and chest measurements. With the running vest design and the likelihood of some stretch, opting for a smaller size may provide a better fit for those with a slimmer build.
Use this size chart to find your perfect fit:
| Chest Size (circumference) | ||
|---|---|---|
| Torso Length: | Under 40" | Over 40" |
| S (15"-17") | S | M |
| M (17"-19") | M | L |
| L (19"-21") | M | L |