I'm a proud 10.5 in the shoe measuring device.
I'm in size 12 Altra timps right now with light cushion darn toughs.
When I haven't been hiking all day they feel like there almost too big and I could wear a 11.5
After long days on the trail, my foot don't hurt and my feet aren't beat up or swollen due to that slight extra room I believe.
When I put my shoes on untied I can look slightly shift my foot front rear. When I lace them up the heel locks in and I have no movement.
I don't experience toe jamming on the downhills either.
I had a little Achilles pain when I first started hiking in altra shoes. After a little while I've never had a sore Achilles since.
I move more ninja like in zero drop shoes.
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