Zero Fit Heatrub Ultimate Mock Grey IZHUMB110 (Unisex)
The ultimate baselayer for protection against extreme cold, the ULTIMATE offers three main benefits:
- Your body heat is sealed in like a standard baselayer
- Unlike a standard baselayer the product instantly warms you up
- Unlike a standard baselayer the unique fibres
- The unique fibres on the inside of the Ultimate rub against your skin to create frictional heat.
Sizing Guide
| MEN | XS | S | M | L | XL | XXL |
|---|---|---|---|---|---|---|
| US Size (Chest) | 30-32 | 34-36 | 38-40 | 42-44 | 46-48 | 50-52 |
Women’s sizing is as follows:
| WOMEN | XS | S | M | L | XL | XXL |
|---|---|---|---|---|---|---|
| US Size | 0-2 | 4-6 | 8-10 | 12-14 | 16-18 | 20-22 |















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