There aren't many pieces in my wardrobe that are so rock solid that I wear them day in and day out for years at a time. But today, I get to talk about one of them. I own 5 Oiselle runner trucker hats and have worn them for almost every single run and hike for more than 2 years now. Cumulatively, I've run and hiked thousands of miles in them. It's safe to say it's true ...