Hydro Flask 40oz Wide Mouth Water Bottle + Flex Straw Cap in Black

Hydro Flask

Hydro Flask 40oz Wide Mouth Water Bottle + Flex Straw Cap in Black

Updated Sep 6, 2026

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$37.49 $49.95 25% off

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About this product

The Hydro Flask 40oz Wide Mouth Water Bottle is our go-to for long-distance hikes, long car rides, and busy days at the office.

With its whopping 40-fluid ounce capacity, it's convenient to stay hydrated during our big adventures, and with the easy-drinking, leak-stopping Flex Straw Cap, sipping has never been simpler.

The water stays ice-cold in the vacuum-insulated chamber.

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