Men's Expedition Weight Merino Wool Thermal Underwear Top. THESE ARE OUR WARMEST WOOL THERMALS. Merino wool is the choice of all avid outdoor enthusiasts. This rich Merino wool fabric is durable, dry, super soft and does not itch like traditional wool because merino sheep wool is much finer and thinner than regular wool. This is the heaviest weight available and is sure to keep you warm in the coldest weather and is extremely comfortable.
• 100% 18.5 Micron Merino Wool
• 400 g/m2 Interlock knit construction
• Flat lock seams to prevent chafing
• Machine washable and machine dryable
• Available in Men’s Sizes: SM to XXL
• Style #707
• Color: Available in Black Only
• Imported
| Size | Small | Medium | Large | XL | 2X |
| Chest | 35-38" | 39-41" | 42-45" | 46-48" | 49-52" |