Stone Glacier...Krux Evo vs. X-Curve

I recently decided to upgrade packs and bought both frames as well. I have a curved back and with 50lbs going on a 4 mile hike I can really feel the difference between the two frames for me. The Xcurve fits like a glove and doesn’t feel like I am carrying the same amount of weight. I only used one bag with the weight so everything was exactly the same and no other variables.
 
This thread had helped me decide on Xcurve. I don’t have any stone glacier retailers near me so can’t try them out.
 
If your lady is jealous of your bubble butt... the the XCurve is definitely for you 😂.

Mine fits like a glove and is the first pack I've tried that doesn't pull away from my back when heavily loaded. Weight is nicely distributed along my hips.
 
Re "flat back" vs a "curved back"... I was told to stand with my back against the wall. If I can fit my hand between the wall and the small of my back, I have a "curved back". If I can't, my back is pretty flat. Is that still the standard way to measure this?
I bought both and kept the X-Cruve 5900. I would second this statement. If you can fit your fist between the wall and your back smoothly, go with the X-Curve. The X-Curve fits better than the Krux with a 50lb sandbag, and I honestly think this is a good indicator of a curved vs flat back.

I bought the small waist belt, as it was on sale (and technically my size), and it fits great. Will be ordering a medium and seeing how it fits/likely better for heavier packouts.

For reference, I'm 5'10, 175, have a 31-inch waist, and have 9ish % body fat.
 
IMO the xcurve fits my back better. Ive had it and kifaru and i still believe the sg x curve is the most comfortable!
 
I bought both and kept the X-Cruve 5900. I would second this statement. If you can't fit your fist between the wall and your back smoothly, go with the X-Curve. The X-Curve fits better than the Krux with a 50lb sandbag, and I honestly think this is a good indicator of a curved vs flat back.

I bought the small waist belt, as it was on sale (and technically my size), and it fits great. Will be ordering a medium and seeing how it fits/likely better for heavier packouts.

For Reference, I'm 5'10, 175, 31-inch waist and 9ish % Body fat.
Hey Drew did you mean to say "If you CAN fit your fist between the wall and your back" Go with the X-curve.
 
I bought both and kept the X-Cruve 5900. I would second this statement. If you can fit your fist between the wall and your back smoothly, go with the X-Curve. The X-Curve fits better than the Krux with a 50lb sandbag, and I honestly think this is a good indicator of a curved vs flat back.

I bought the small waist belt, as it was on sale (and technically my size), and it fits great. Will be ordering a medium and seeing how it fits/likely better for heavier packouts.

For reference, I'm 5'10, 175, have a 31-inch waist, and have 9ish % body fat.
Did you ever try out the medium belt? I am right on the edge between the small and medium size belt. SG said to go with the next size up.
 
Did you ever try out the medium belt? I am right on the edge between the small and medium size belt. SG said to go with the next size up.
Still havent gotten around to it.

PM me and I’ll show you how it fits with 50lbs loaded and a fleece thicker fleece on.
 
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