Osprey Four Seasons Insulation Kit
Stay hydrated in any season with the Osprey Four Seasons Insulation Kit. This kit is designed to keep water flowing in cold winter months and cool in the heat of the summer. It features closed-cell foam, a heat-reflective coating, removable bite valve sleeve and easy-carry attachment loops. It fits reservoirs up to 3 liters and is compatible with Hydrapak reservoirs produced after 2013.
The Osprey Four Seasons Insulation Kit offers maximum insulation with its heat-reflective, closed-cell foam sleeve. It also features a tailored insulated reservoir sleeve with attachment loops, an insulated hose protected from direct sunlight, and a zippered bite valve insulation sleeve to help keep the mouthpiece free of ice. The removable bite valve sleeve is perfect for summer use. Reservoir must be purchased separately.
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| SIZE | HEIGHT |
| X- Small | 3'9-5'1 |
| Small | 5'2-5'5 |
| Medium | 5'6-5'9 |
| Large | 5'10-6'1 |
| X-Large | 6'2+ |