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ActionHeat 5V Footwear Accessories Size Chart
Action Heat 5V SOCKS Sizing Guide
| Size | US Men's Shoe Size | US Women's Shoe Size |
|---|---|---|
| S / M | 5 - 8.5 | 6 - 9.5 |
| L / XL | 9 - 12 | 10 - 13 |
| 2XL | 12.5 + | 13.5 + |
ActionHeat 5V INSOLES Sizing Guide
| Size | US Men's Shoe Size | US Women's Shoe Size |
|---|---|---|
| S / M | 4 - 9 | 5 - 10 |
| L / XL | 9.5 + | 10.5 + |