Sierra says: Double Base Layer Mid-weight Crew is for those really chilly days on the mountain. With the quick dry you will be sure to stay warm and dry in any type of weather. The Relaxed fit keeps you looking good and with scent prevent you are sure to not stink on the ride home.
-A 6.0oz. layer construction
- Will not shrink and it's stretchy enough for most maniacal moves
- Scent Prevent, mildew, and bacteria resistant, so it won't drive your roommates to take a hike
- Quick dry
- Clean seams
- Relaxed fit
- 100% acclimate dry polyester
- Wicks
- Breathes
- Comfortable Flat Seams
- Tall Fit
| Polar Max Sizing Chart |
| MEN | | WOMEN | | YOUTH |
| SIZE | TOPS | BOTTOMS | | SIZE | TOPS | BOTTOMS | | SIZE | TOPS |
| S | 34-36 | 28-30 | | XS | 0-2 | 0-2 | | XS | 2 to 4 |
| M | 38-40 | 32-34 | | S | 4 to 6 | 4 to 6 | | S | 6 to 8 |
| L | 42-44 | 36-38 | | M | 8 to 10 | 8 to 10 | | M | 10 to 12 |
| XL | 46-48 | 40-42 | | L | 12 to 14 | 12 to 14 | | L | 14-16 |
| 2XL | 50-52 | 44-46 | | XL | 16-18 | 16-18 | | XL | 18-20 |
| Measurements refer to body size, not garment dimensions, and are in inches. |
| In cases when your body measurements are midway between two sizes, go to the smaller size for a tighter fit or the larger size for a looser fit. |
| In instances when your body measurements for Chest and Height are in two different suggested sizes, we recommend going with the size from your Chest measurement. |
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