Instagram is a vast, vast place. It also happens to provide the best sartorial inspiration you can find, if you know where to look. In her new weekly column, FADER style writer Liz Raiss goes into an Instagram K-hole and comes out with 10 great snaps from the past seven days. This time, it's all about the babes in athletic gear for fashion's sake. They look hot, but they're not sweating.