Lean & mean backpacking machine - Osprey Atmos 50 Pack

I have used this pack for day hikes, 2-day hikes and 5-day hikes. Conditions on the treks I have used this pack have ranged from a hot desert climate (Havasupai, Grand Canyon) to about 25 degree Fahrenheit with thick frost and a little snow in the mornings (Northern Utah). I am impressed with this pack and I find that as I go more light weight with the rest of my gear, I am not even filling this

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