I tried two. Calpak's nylon bag is my favorite for most days. Obviously, its main purpose is to hold a bottle, so that's what the main pocket is designed for and it's insulated, so you can keep an ...

Alyssa Coscarelli pairs a white Sandy Liang leather bag with Hydro Flask’s new Micro Hydro water bottle, during Sandy Liang’s Fall/Winter 2025 show on Feb. 9, 2025.