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Hydro Flask boot size chart 2024

Hydro Flask boot size chart
What is the best Hydro Flask boot size for you?

The air vent design allows your bottle to fit perfectly, and it’s simple to put on and take off the boot. A neat cut keeps the boot sleeve from unintentionally pulling off the edge. Customize your hydro water flask by selecting the appropriate boot set according on the size of your bottle and your preferred color: Water bottles weighing 12, 16, 18, 20, 21, and 24 ounces can fit into the “12 to 24 oz” sleeves, whereas only 32 and 40 oz can fit into the “32 and 40 oz” sleeves. Know which is good fit for you from Hydro Flask boot size chart.

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For less than $15, you can get a Hydro Flask boot that keeps your Hydro Flask from falling off and becoming dented. You can match your water bottle to your favorite color from a range of lovely hues, allowing your bottle to express your personality more.

Brands selling Hydro Flask boot

These are prominent brands who have different Hydro Flask boot size chart

  • Hydro Flask
  • Owala
  • Stanley
  • Coldest Water
  • Simple Modern
  • Yeti

Is Hydro Flask boot worth it?

To make it easier to put on, it contains a little opening that lets air out. It is reasonable that the coating is prone to chipping, therefore I purchased this to protect the bottom. As with all silicone, it does gather dust, but it is easily cleaned with water. keeps the bottle’s bottom in place and acts as a strong shield between the metal and external elements.

Hydro Flask boot size chart features


With this Hydro Flask silicone water bottle boot, your water bottle will be more protected from dents, bumps, and scratches. Sturdy sleeve that fits Stanley tumbler cup and Hydroflask water bottle compatible. Most sport water bottles are compatible.

This protective sleeve made of somewhat elastic silicone is appropriate for insulated bottles with a bottom diameter of 2.8 to 2.9 inches. Also suitable with Stanley IceFlow 20/30 oz tumbler and Stanley Quencher H2.0 20/30 oz tumbler.

Hydro Flask boot size chart

Small size

The HydroFlask 12-16-18-21-24 oz water bottle fits nicely into the small size bottom boot, which has a bottom width of 2.85-3 inches. The boot is also compatible with the Stanley 20-30 oz IceFlow flip straw tumbler and the 40 oz Adventure Quencher tumbler. Please remember that the Stanley tumbler has a small bottom, thus choose the small size.

Large size

The bottom width of the medium-sized bottle bottom boot for the 32- and 40-ounce Hydroflask water bottles is 3.5–3.6 inches.

BPA free

The Hydro Flask boot is manufactured of premium food-grade silicone that is BPA-free, long-lasting, and clean-up-easy. Also functions as a transportable dog water dish, reducing the stress associated with being outside.


It fits my car’s cup holder snugly without tipping over, and it works great as a luggage bottle holder on my rolling carry-on when I travel. When I’m hurrying through the airport every week, it retains it firmly in the holder without ever tipping. This tiny, low-cost item is ideal for my hectic schedule.

Easy to clean

The water bottle’s bottom sleeve is simple to put on and take off, and it is easy to clean. Silicone boot free of BPA.It serves as more than just a boot.

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