I’ve always gotten away with borrowing dry bags for raft trips, but after spending more time on the rivers last year, I thought it was time for my own. Nothing less than the best would do, leading me to the Watershed Colorado duffel. Its 75-liter capacity is perfect for trips lasting three or four days, which is right in my wheelhouse. My favorite part is the closure—the ziplock-style seal keeps not only water, but also sand, on the outside. $219.