Medium Flex Boot
![Medium Flex Boot](https://www.hydroflask.com/media/catalog/product/cache/0896d24226ba929ed2cdc43dc64054aa/b/b/bbm474-lupine-angled_1.jpg)
Medium Flex Boot
Bottle boot for extra protection on your bottles.
Product Benefits Removable silicone boot adds extra protection to your Hydro Flask Medium boot fits 32 and 40 oz (946 and 1,183 ml) wide mouth bottles
![Medium Flex Boot](https://media-emea.hydroflask.com/media/catalog/product/cache/9177cfe059281270017bc29637323e6d/b/b/bbm441-dew-straighton.jpg)
Medium Flex Boot
![Medium Flex Boot](https://shop.sportsbasement.com/cdn/shop/products/bbm474-lupine-angled_1024x1024@2x.png?v=1677181843)
Bottle Boot Medium – Sports Basement
![Medium Flex Boot](https://cdn11.bigcommerce.com/s-s7ib93jl4n/images/stencil/728x728/attribute_rule_images/16296_source_1572384980.jpg)
Medium Flex Boot - Mint - Ramsey Outdoor
Colorful protection. Make your Hydro Flask your own with a colorful, durable silicone Flex Boot. Customize your look and protect against bumps and dings. Small boot fits 12-24 oz wide and standard mouth bottles. Medium boot fits 32 and 40 oz wide mouth bottles.
![Medium Flex Boot](https://cdn.powered-by-nitrosell.com/product_images/17/4153/large-hydro-flask-flex-boot-medium-black.jpg)
Hydro Flask Bottle Boot, Black, Medium
Colorful protection. Make your Hydro Flask your own with a colorful, durable silicone Flex Boot. Customize your look and protect against bumps and dings. Small boot fits 12-24 oz wide and standard mouth bottles. Medium boot fits 32 and 40 oz wide mouth bottles.
![Medium Flex Boot](https://www.atkenco.com/prodimages/55833-DEFAULT-l.jpg)
Hydro Flask Bottle Flex Boot Alpine / Medium
![Medium Flex Boot](https://static.evo.com/content/cms/guides/ski/how%20to%20make%20ski%20boots%20fit%20better/c71c2039.jpg)
How to Choose Ski Boots - Size, Fit & Flex
![Medium Flex Boot](https://www.leilanisattic.com/cdn/shop/products/engrave-my-flask-flask-accessory-medium-flex-boot-for-hydro-flask-28436566638641_700x700.jpg?v=1690642834)
Medium Flex Boot for Hydro flask — Leilanis Attic
![Medium Flex Boot](https://i.ebayimg.com/images/g/lDsAAOSwzqpiWZzc/s-l1200.jpg)
4 Hydro Flask Flex Boot Accessory Flamingo Size Medium Fits 32
Colorful protection. Make your Hydro Flask your own with a colorful, durable silicone Flex Boot. Customize your look and protect against bumps and dings. Small boot fits 12-24 oz wide and standard mouth bottles. Medium boot fits 32 and 40 oz wide mouth bottles.
![Medium Flex Boot](https://www.backcountry.com/images/items/large/HYF/HYF0027/BK.jpg)
Hydro Flask Bottle Boot, Black, Medium
![Medium Flex Boot](https://www.gosupps.com/media/catalog/product/cache/25/image/1500x/040ec09b1e35df139433887a97daa66f/7/1/71bMVlVyzlS._AC_SL1500_.jpg)
Hydro Flask Flex Boot - Accessory Silicone Water Bottle Protector