Get ready for adventures in extreme conditions: the insulating sleeve adds insulation and protection to your water bladder. It keeps your water cold in summer and protected from the freezing cold in winter. Lab tests showed freezing and heating are slowed down by 50%.
For activities in the freezing cold we recommend use in combination with our Tube Insulator or Winter Tube Kit.
The Widepac Hydration Bladder is not included.
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