Get It Before Labor Day Weekend—Order With Free 2-Day*by 5pm MT 9/2/15

A drink while running or hiking shouldn't drench your clothes or slow you down, so Hydro Flash made the Narrow Mouth Sports Cap to fit your 18oz or 24oz narrow-mouth bottles.

  • Squirt-bottle-inspired design allows easy drinking with its pull-open mouth piece
  • BPA-free polypropylene material doesn't leach plastic residue into your body
  • Top cap loop still allows you to hang your water bottle with carabiner or backpack strap
  • Cap helps prevent leaking in your pack, but the pull mouth piece is NOT leak-proof if you drop it into a dirty river

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Hydro Flask Narrow Mouth Sports Cap

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Here's what others have to say...

2 5


Mouth piece got stuck in lid the first time I used it. I scratched it up trying to pry it out.