Klean KanteenUnisex Outdoor 3.0 Dust Cap

This product might be cheap, but it doesn't work at all. My bottle began to leak from the neck where the disk sits. The cap doesn't fit the sports piece properly and kind of wobbles about. The leak isn't immediately noticeable, but I've had a soaked gym back twice when using this. I don't think this is a genuine klean kanteen product, I first got suspicious when there was zero branding on the dust cap and afterward, I checked the klean kanteen website and they don't list this product on there.

As with other reviewers I was initially caught out by leaks after adding this. However if you clip the o ring around the actual neck of the bottle rather than the thread of the sports cap you can retain the intended seal. After figuring that out it's great, keeps the mouthpiece nice and clean. One star knocked off for the lack of any clear instructions (and consequently soaked bag) but otherwise it performs as expected.

Bought these because it didn't state that the kids bottle came with them so now I've ended up with double.The kids find them annoying as they are poking in their face when they are drinking so I've given up and taken them off.The sports cap is fine and never leaks as long as it is down properly anyway so a waste of money if you ask me.

I have had the Sports Cap for a while and I thought I'd get the dust cap to protect the tip from dirt but having placed it on I noticed that the large O ring which goes on the neck creates a little gap where the rubber ring is supposed to be and so causes it to leak. Its a shame as the rest of the Kleen Kanteen products have been great.

My son had one of these on his kids bottle and I was jealous so very happy when I saw this! Stops all the fluff and bag detritus from sticking to the mouthpiece for a much more hygienic and pleasant experience!

Good to keep sports cap protected from dirt on hikes.

Brilliant and has held up well!

great but too expensive