Includes dual-density ABS

Full-facial protection that extends below the neckline

As with all sleeping bag liners

outer collar and wind flap: 3

400 grams of Thinsulate keep feet warm while a DWR nubuck leather upper with our waterproof B-DRY liner ensures to keep feet dry

Osprey 4 Season's Insulation Kit Size:2 Liter Includes dual-density ABSKeep 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