I notice Costco is selling the backpack for $100 right now. The claimed volume is 60L and weight of 2 lb 7 oz.
Currently I have Osprey Exos 58 (2016 version), which I don't particularly like, because it gives me discomfort on my shoulders even with just 20 lb. I am thinking about replacing it with Gossamer Gear Mariposa, but I don't think I can tolerate lack of airflow in the back due to its design.
If you have used Klymit 60L Airframe, I'll appreciate if you can share your experience and what downsides it has for you. Thank you.
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