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

Easy to carry. Easy to move.

Bring along your favorite Hydro Flask bottle and keep it close with our new easy-to-carry sling. Pop in your bottle and spend the day with both hands free.

Medium Sling fits 32 and 40 oz wide mouth bottles.

Product Benefits

• Welded webbing and attachment mounts for extra durability
• Fully adjustable, stretch-woven, Sliplok shoulder strap
• Stretch-woven and bonded side pocket with waterproof zipper for storing essentials
• Standard size fits 32 and 40 oz standard mouth bottles
• Five-year warranty

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.

Medium Sling fits 32 and 40oz standard mouth bottles.

If your bottle is smaller, check out the Small Packable Bottle Sling!

Product Benefits

• Lightweight fabric easily packs down into its own pocket for quick storage or travel.​
• Stretch mesh pockets conveniently hold cards, keys, lip balm and some phone models.
• Fully adjustable nylon ripstop strap can be worn across the body or over the shoulder.
• Five-year warranty