I'm looking to replace the insoles of my Ugg "Finney" moto boots -- I have pretty much worn them out, and walking all over Europe in those boots didn't help! However, everywhere I look online offers the insoles only in full sizes, and my boots are an 8.5. I pulled the old insoles out, and they are even marked 8.5.

Have any of you replaced Ugg insoles with half sizes? Any advice?