For no particular reason I just kept on going

If you're a Yohji fan and dig his sportier side, you should check out the Y-3 Adidas sale over at Gilt right now (till noon EDT on Monday). The selection is predominantly black and white, á la the Adidas stripes, and there's a lot of cool pieces, especiallly jackets and pants. Don't be too deterred by the "sold out" badge as Gilt has a wait list option and many times, products become available again, so you'll get an email when they do.