2 of 2 people found the following review helpful
Good quality if a little difficult to fit,
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This review is from: Insulated Neoprene Camelbak Hydration Tube Cover Sleeve (Misc.)
This is a good quality neoprene cover for the Camelbak tube, which should hopefully prevent it from freezing in extreme weather. The only downside I found was that it's quite difficult to fit. Sliding the neoprene tube over the rubber tube take a degree of patience due to the snug fit.