Just got back from REI today, and debated between the softness of the Flash 18, or the harder backing of the Flash 22 - the Flash 22 won. I think the pockets on the side are great, and cover for the top is cool with the pouch.
My question is, I am thinking replacing, or even adding, to the back plastic a layer of reflectix. May keep my water bladder colder, or insulate from freezing.
If I go the route of replacing to get the softeness of Flash 18, would the reflectix make my back sweat more or would the fabric prevent that?
Has anyone added, or made a cozy, for your water bladder. I have a platypus 3L.
Thoughts?
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