FEATURES
- Cap creates leak-proof to-go mug with one twist
- Few moving parts make cap durable and easy to clean
- Extra-wide opening fits ice, easy filling and pouring
- Compatible with most backcountry water filters
- Electropolished interior doesn't retain or impart flavors
- Doulbe-wall, vacuum-insulated construction keeps contents hot 10 hours, or iced 30 hours