Mammut Men's Aenergy FL Tank
The ultimate high-performance tank
Mammut Tops
Measurements are in inches
| Chest | Waist | Hip | |
| S | 34-37 | 29-31.5 | 34-37 |
| M | 37-40 | 32-35 | 37-40 |
| L | 40.5-43 | 35-38 | 40-43 |
| XL | 44-46.5 | 38-41 | 43-46 |
| XXL | 47-49.5 | 42-45 | 46-49 |
| 3XL | 50-53 | 45-49 | 49-52 |
Mammut Bottoms
Measurements are in inches
| Waist | Hip | Inseam Short | Inseam Regular | Inseam Long | |
| 28 | 29.5-31 | 35-36 | - | 32 | - |
| 30 | 31-32 | 36-37 | 30 | 32.5 | 36 |
| 32 | 32.5-34 | 38-39 | 30 | 32.5 | 36 |
| 34 | 34-35.5 | 39-40.5 | 30 | 32.5 | 36 |
| 36 | 36-37 | 41-42 | 30 | 32.5 | 36 |
| 38 | 37-38.5 | 42.5-44 | 30 | 32.5 | 36 |
| 40 | 39-40.5 | 44-45 | 30 | 32.5 | - |
| 42 | 41-42.5 | 45.5-47 | - | 32.5 | - |
Free shipping on orders over $99 (oversize charges may apply) - Learn More
Fast and easy returns (no returns for final sale or heavily discounted items) - Learn more
Found a better price elsewhere? We guarantee you the best price on this item - Learn more
Premium gear is our promise
We were established almost 75 years ago by John Monod, a Swiss mountain guide and ski instructor. Quality outdoor gear is what our brand was built upon since 1949. Learn more.
Frequently Asked Questions
Have more questions? See all FAQ's
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Absolutely! We offer fast & easy returns on most products.
Exceptions include products 30% off or more, climbing gear, underwear & more.
Read our return policy here.
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All orders over $99 will qualify for free standard shipping within Canada.*
International shipping charges will apply for all non Canadian orders.
Oversize charges apply to larger items.
*See all shipping information here.
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Standard shipping estimates are as follows:
Alberta and British Columbia: 2-4 business days
Saskatchewan and Manitoba: 3 - 4 business days
All other provinces and territories: 5 - 9 business days