Stay cool and hydrated during a run, or stay warm at the campsite with this Basecamp¨ Tundra bottle. This 18/8 stainless steel vessel holds 20 ounces of your favorite beverage - and the double-walled vacuum insulated copper lining keeps the contents cold for 24 hours, or hot for 12. This bottle is available in several fantastic colors, is and has a spill-resistant screw-on lid that doubles as a carrying handle.