Winter/Summer Insulated Bottle Bag

The "IBB" is a light weight housing (5oz) for 32oz Nalgene round bottles. Insulated with closed-cell foam and fleece in a packcloth outer shell, keeps water liquid over night at 20 below. Web grab loop is large enough to provide a quick handle even with mittens, doubled down one side for strapping to belt, pack, or sled. Has a #8 coil zipper that resists icing but provides easy access. Use in warmer months to keep beverages cool. Manufactured by Equinox. Order it with or without the Nalgene 32 oz. bottle recommended for extreme adventures. The bottle withstands temperatures from -135°C to + 135°C.