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This is the ultimate mountain bottle with insulation! Made in Spain, the ISO is a lightweight, double walled aluminum bottle with 7mm of closed cell insulation between the walls. Fill with warm or cold beverages and it will maintain temperature for a minimum of 4 hours. Comes in 3 distinct colors.
Double walled insulated bottle
Great for carrying during hot or cold weather
Wide-mouth for easier drinking, putting ice cubes
Wide-mouth also makes cleaning easier
Imparts no after-taste
Choice of 3 colors - Brushed Gray, Magenta Red, and Plain Silver