The 3/4 length insoles I bought are just what I needed and have made shoes easier to walk in. I only needed one insole so I'm not sure if they could ever be bought singly . The only advice I might give is that they are not needed for hill boots such as Scarpa as they already have support. I would advise anyone who has foot pain around the arch to get it checked out as insoles might be what you need.
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