Frost and Fortitude Challenge Lightweight Quarter-zip Unisex Pullover
Frost and Fortitude 100 Mile Challenge
"As the world grows cold, I move forward with fortitude and resilience."
This is not a race. It is a motivational way for you to establish and/or maintain a healthy, active lifestyle. How and when you complete the miles is up to you.
Begin anytime on or after Nov 1, 2025. Take as long as you need to finish.
THIS REGISTRATION OPTION INCLUDES:
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3/4 zip pullover
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Private group access - interact virtually with a supportive community of women from all over the world. Make new friends, cheer each other on, and stay motivated!
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Access to our OPTIONAL online mileage log and downloadable color-in tracker that you can use throughout the year
ABOUT THE SHIRTS:
• 100% polyester
• Light weight
• Moisture-wicking and odor-resistant material
• Regular fit
• Cadet collar
Size guide
| LENGTH (inches) | CHEST (inches) | SLEEVE LENGTH (inches) | |
| XS | 27 | 19 | 34 ¼ |
| S | 28 | 20 ½ | 35 |
| M | 29 | 22 | 35 ¾ |
| L | 30 | 23 ½ | 36 ½ |
| XL | 31 | 25 | 37 ¼ |
| 2XL | 32 | 26 ½ | 38 |
| 3XL | 32 ½ | 28 ½ | 38 ¾ |
| 4XL | 33 | 30 ½ | 39 ½ |
| LENGTH (cm) | CHEST (cm) | SLEEVE LENGTH (cm) | |
| XS | 68.6 | 48.3 | 87 |
| S | 71.1 | 52 | 89 |
| M | 73.7 | 55.9 | 90.8 |
| L | 76.2 | 59.7 | 92.7 |
| XL | 78.7 | 63.5 | 94.6 |
| 2XL | 81.3 | 67.3 | 96.5 |
| 3XL | 82.6 | 72.4 | 98.4 |
| 4XL | 83.8 | 77.5 | 100.3 |
