I love waterproof messenger bags as [ortlieb](https://ortliebusa.com/product-category/ortlieb/messenger-bags/ https://ortliebusa.com/product-category/ortlieb/me

I love waterproof messenger bags as [ortlieb](https://ortliebusa.com/product-category/ortlieb/messenger-bags/ https://ortliebusa.com/product-category/ortlieb/messenger-ba...) offers. Perfectly waterproof and sturdy material. A bit pricey though. They also have some more traditional looking bags.