/ Shoe sizing help?
i think the general rule is to go for a shoe that is 2 sizes smaller.
they need to be very tight but your feet will ajust to the pain and keep you toe nails a short as you can that helps i find.
There's no such thing as a general rule for climbing shoe fit because they are all different shapes and the sizing regimes differ significantly between manufacturers. My last purchase came down to a choice between two pairs - one La Sportiva, one Red Chilli. Same style of shoe, exactly the same fit - but two full sizes apart.
Presumably you bought them for climbing not walking. If you can climb in them and better than you could climb in shoes that hurt less then they're probably ok and doing what you bought them for. One problem with really curled down toes is that bit by bit they get mashed when you fall especially while bouldering. I have dreadful toe pain these days when I climb, almost certainly the result of thousands of small hits on the the mat and a few big ones wearing toe crunching shoes. I'd gain a lot more performance today having toes that work properly than I ever did back then by wearing too tight shoes.
They're fully stretched when they stop stretching (or in the case of old Pink Anasazis when the stitching starts to fail to relieve the remaining tension). Sorry, seems facetious but it's not meant to, if they're too small they may never fit you right. On the other hand, 3 days is not a lot of breaking in time, you might be lucky.
These days I buy them snug but not painful, with use and age they get a little baggy but it makes no real difference at the noddy grades I climb.
Your shoes are too small. You should purchase a pair of shoes that are comfortable and don't destroy your feet. Trust me Ive been there, got the T shirt and the bunions. I now buy shoes that are the same size, and in some cases bigger than my usual walking shoe size. The shoe wont make you a better climber all though it may give you a small advantage on steeper ground. A painfully small shoe will hinder your climbing and wont last as long as the excess pressure on the joints of the shoe will eventually give way.
Something that fits well is usually amble for all but the hardest of lines. Why spoil the enjoyment of climbing by imposing a constant pain in your feet whilst you climb?
Also recommend you try wearing socks. They stop your (sweaty) feet slipping inside the shoe as well as reducing smells.
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