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| ThermaCELL Heated Insole Size Chart |
| Heated Insole Size | Fits Men's Shoe Size |
Fits Women's Shoe Size |
|---|---|---|
| Small | 3.5 to 5 | 4.5 to 6 |
| Medium | 5.5 to 7 | 6.5 to 8 |
| Large | 7.5 to 9 | 8.5 to 10 |
| X-Large | 9.5 to 11 | 10.5 to 12 |
| XX-Large | 11.5 to 13 | 12.5 to 14 |