Negative Positive
Title: disappointed
Review: I am very disappointed in this sports cap. If the cap is screwed tightly into your Klean Kanteen, you can't get a good swig of liquid and the bottle whistles when you drink from it. If you loosen the sports cap (untwist it just a bit), you can drink more easily from the bottle, but it leaks all over you! I have 2 Klean Kanteen bottles with sports caps on them and both perform in the same way.
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