You know how it goes. You've done the work. You've spent miles testing and searching for the right gear, and when you've found it, you never switch. Seamless underwear. Wicking socks. Your favorite brand of peanut butter.

But then things happen. You run out of peanut butter... and underwear. Your left sock goes missing in the laundry. Or, sometimes, THEY DISCONTINUE YOUR BELOVED SHOE.