Its pretty simple to buy a rock climbing shoe from a physical shop or brand shop also you can place an order from your home on their online shop .
But before you go for a purchase make sure about the primary considerations:
It depends on your experience and expertise for which type of shoe you should choose for climbing .
There are There are three types of rock climbing shoe based on the shape:
1) Neutral2) Moderate3) Aggressive
Before you take any decision on purchasing climbing shoe , check out features as what has been provided in it.like laces, straps,inner,outer, linings,last and rubber affect the performance of a shoe
Climbing shoe need to be fit snug to hold on with full strength.
but It's a common mistake for first-timers to buy climbing shoes that are way too tight. Old-school wisdom and advice was to cram your little piggies into the smallest pair possible in an effort to help you climb better.
Hope you find it helpful and appropriate.