Thigh Highs Under My Where Can I Get The Right Thigh High Boots For Deacant Price?

Where Can I get the right thigh high boots for deacant price? - thigh highs under my

I have on eBay for low price (under $ 30) and I want these high waders (the shoes that go above the knees) and I wear a U.S. 6m. But my leg is a bit bigger openeing where it is compressed into the upper reaches only 15 inches (I've found yet), but I need with an opening of at least 21 inches
Thanks