After years of research and testing, Klean Kanteen developed the Sports Cap 2.0 that really works, even on a bottle you can’t squeeze. This cap is guaranteed to quench your thirst, and quickly!
All Classic models are supplied with this cap.
Features
- High flow rate
- Quiet valve
- Handy attachment loop
- Made for BPA-free polypropylene
- Includes dust/sanitary cap