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More hydration for more fun with the leakproof, Flex Straw Cap. The 21 oz Standard Mouth with Flex Straw Cap is just the right size for staying hydrated before, during and after activity. Beverages stay cold for 24 hours and...

More hydration for more fun with the leakproof, Flex Straw Cap. The 24 oz Standard Mouth with Flex Straw Cap is just the right size for staying hydrated before, during and after activity. Beverages stay cold for 24 hours and hot...

Easy to carry anywhere. Take your Hydro Flask bottle with you to walk, hike or attend a music festival. Our Packable Bottle Sling keeps a low profile when not in use, but stays light when you need hands-free hydration. Small...

Take your Hydro Flask bottle with you to walk, hike or attend a music festival. Our Packable Bottle Sling keeps a low profile when not in use, but stays light when you need hands-free hydration. Medium Sling fits 32 and...

On-the-go essential. Take your Hydro Flask with you, but keep both hands free to paddle, climb, or high-five at the top of the hike. Our sling was designed to make hydration on the go easier than ever. Small Sling fits...

Features Handy attachment loop  Cap is leak-proof Dishwasher safe Compatible with Classic Klean Kanteens only