Insulation for max. 3-liter Osprey hydration bags.
This insulation set helps keep your drinks warm or cool - in addition, in summer use, you can slip ice cubes inside the hydration bag.
This is an insulation set for drink bags that can be purchased separately - the bag itself is not included in the price.
Closed-cell foam as insulating material
A reflective coating helps bounce heat energy back
Detachable drinking head cover
Dedicated insulating tube for the hose
Fasteners