K4 vs K2/K3....real world comparison

[Idaboy]

What's anyone real world experience if they upgraded from Exo K2 to a K4? Was it "that much better?"....if it was better, do you think it was just a more dialed fit?

 

[fatlander]

I would get slip with the k3 at 80+ pounds that I don’t get with the K4. Even changing out the k3 lumbar pad per exos advice didn’t fit it. The k3 was also really squeaky. I’ve yet to get a squeak with the k4.

If you’re a Nalgene guy, the k4 is really worth it. The placement and function of the k4 Nalgene holder is leagues better than anything else on the market.


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[Idaboy]

I do use a Nalgene but the big skinny 32oz ones and just slip them I. The stretchy side pocket....my K2, with a K3 belt, works great....but I guess I really dont know any different....hard to pass up the annual sale but not convinced it will be much of an upgrade

 

[HunterGatherer]

My buddy went from the k3 to k4 and said he didn’t notice much difference in how it carries a load but he’s a big guy. I wanted to compare his to my k2 but I’m a skinny guy so it wouldn’t fit. Based on his experience and some of the new bag features that I don’t care for, I’m going to stick with the k2 until I see the k4x.