Scouted/The Daily Beast/Stanley/Hydro Flask.Scouted selects products independently. If you purchase something from our posts, we may earn a small commission.Who knew that water bottles (or hydration vessels, if we’re feeling fancy) would become so trendy? Not I. But here we are, running around with our emotional support water bottles like they’re fashion accessories. And just like any fashion accessory trend, these water tumblers go through popularity waves—we’ve had different shapes, sizes, bra