Osprey 4 Season's Insulation Kit Size:2 Liter Made of 100% recycled polyester

Made of 100% recycled polyester fleece with sweater-knit face

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Osprey 4 Season's Insulation Kit Size:2 Liter Made of 100% recycled polyesterKeep water flowing in cold winter months and cool in the heat of the summerthis 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. Heat reflective, closed cell foam sleeve offers maximum insulation Tailored insulated reservoir sleeve with