I've rarely ever had a big issue with jumping into the fire with new gear, if it works as anticipated and I don't have to think about it at all it's a win. Occasionally, I will be blown away by the performance of a product and the entire time I'm running I mentally craft the product review with flowery superlatives... that I forget once my endorphins abate. During the 24 Hour Terrain Relay, I was fortunate enough to have the opportunity to test the following gear: