Osprey Four Seasons Insulation Kit

Keep water flowing in cold winter months and cool in the heat of the summer—this four-season insulated kit is ideal no matter the season. Featuring closed-cell foam, a heat-reflective coating, removable bite valve sleeve and easy-carry attachment loops. Fits reservoirs up to 3 liters. *Compatible with Hydrapak reservoirs produced after 2013.

Volume:  0L

Dimensions:  16.7H X 8.27W X 1.77D in.

Weight:  0.45lbs

Fabric:  200D HT Nylon w/Heat Reflective Coating

Heat-reflective, closed-cell foam sleeve offers maximum insulation

Tailored insulated reservoir sleeve with attachment loops

Insulated hose protected from direct sunlight

Zippered bite valve insulation sleeve helps keep mouthpiece free of ice

Removable bite valve sleeve for summer use

Reservoir must be purchased separately