Learn more. Straps, I’ve found, are a critical but sometimes neglected feature on a stroller; even on my beloved Nuna Trvl LX, the straps require some fiddling to fit securely around my baby.

As a professional product researcher, I’ve seen my fair share of sleep accessories. But Purple’s pillows? These aren’t your run-of-the-mill head cushions. We’re talking proprietary grids ...