Downsides: you'll be able to turn the Crux 2L inside out, but the process makes to get a struggle, and getting all the inside guts to invert for ease of drying, as you may with the HydraPak, is almost unachievable. https://atozbookmark.com/story17361918/new-step-by-step-map-for-hydration-packs-for-outdoor-adventures