These insoles are nice thick wool. Perfect for winter time to keep the cold from entering your boots, but offer no other support. If you work or play in a cold climate these will help keep your feet warm. They will also trim nicely to fit perfectly. The problem is they will slip around in your boot. They need some silicone grips on 1 side so they will stay put. I use a couple dollops of silicone glue and let it set once I get them sized for the boots. They will also take up some extra room in your footwear so size accordingly.
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I bought these insoles for an older pair of Tony Lama boots that are smooth on the inside. the insoles do a good job of absorbing some of the shock, but slip around a bit inside the boot. It's not enough to be a big problem, just a little irritating. I'm sure they'd do better in more traditional boots.