Adventure essentials.
We have everything you need to keep your Hydro Flask collection fresh. From our popular Wide Mouth Straw Lid and insulated Flex Caps to our protective Bottle Boots and Tag Along bottle slings, we have you covered.

Adventure essentials.

We have everything you need to keep your Hydro Flask collection fresh. From our popular Wide Mouth Straw Lid and insulated Flex Caps to our protective Bottle Boots and Tag Along bottle slings, we have you covered.

2 products
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Medium Flex Boot
$14.95
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Wide Mouth Stainless Steel Flex Cap
$24.95

Medium Flex Boot

$14.95 Save $-14.95

Colorful protection.

Make your Hydro Flask your own with a colorful, durable silicone Flex Boot. Customize your look and protect against bumps and dings.

Medium boot fits 32 and 40 oz wide mouth bottles.

Please note: the medium boot does not fit the 32oz Trail Series.

If your bottle is smaller than 32 oz, check out the Small Flex Boot here!

Product Benefits

  • Removable, silicone boot adds extra protection to your Hydro Flask
  • Medium boot fits 32 and 40 oz wide mouth bottles
  • BPA-Free
      Medium Flex Boot
      Medium Flex Boot
      Medium Flex Boot
      Medium Flex Boot
      Medium Flex Boot
      Medium Flex Boot
      Medium Flex Boot
      Medium Flex Boot
      Medium Flex Boot
      Medium Flex Boot
      Medium Flex Boot
      Medium Flex Boot

      Wide Mouth Stainless Steel Flex Cap

      $24.95 Save $-24.95

      Pure refreshment in an easy to carry stainless steel insulated cap. Fits all Hydro Flask Standard Mouth bottles.

      Product Benefits

      • 18/8 pro-grade stainless steel cap for pure refreshment
      • The flexible strap is easy to transport and comfortable to carry
      • Insulated stainless steel cap for maximum temperature retention
      • Leak proof
      • Top rack dishwasher safe
      • BPA-free
      Wide Mouth Stainless Steel Flex Cap