We have an important topic to discuss today. That's right - underwear. Think this isn't high on the list of priorities of things you need to know when it comes to your training? Think again. Once you start upping the mileage, it won't take you long to notice if it's time to up your undies game. Trust me, you'll know. Bad skivvies don't discriminate between the sexes, both men and women can experience the excruciating rubbing...
