Staying hydrated for under $40

A forty-dollar ceiling cuts out most of the marketing and almost none of the performance. Below that line the questions are simple: does it leak, does it fit a cupholder, and can you clean the lid without a special brush. Here is where I'd put the money.

The bottle I'd buy first

The Owala FreeSip is the best bottle design of the last five years, full stop. The lid lets you sip through a straw or tip and swig, it locks with one hand, and it does not leak in a bag. The 24 oz fits a cupholder. Prices bounce between stores more than most, so look at the rows above; when Target or Walmart has your colour under the others, buy it there.

The classic, if you want a wide mouth

Hydro Flask is the bottle that started the boom, and the 32 oz Wide Mouth still does the basics right. The stock lid is not for drinking on the move, so budget for the flex straw cap if that's you. The finish chips if you drop it, and you will drop it. Buy it on sale. It goes on sale often.

The straw-lid pick with a handle

Stanley IceFlow Flip Straw 24 oz Water BottleStanley$40.00

Stanley's IceFlow bottle is the Quencher idea in bottle form: a flip straw that seals, a handle, and a shape that fits a car. The 24 oz keeps a full afternoon cold. It is the one I'd give a kid who has outgrown sippy cups but not the habit of dropping things.

The big-capacity option

HydroJug Ease2o 32 oz Water Bottle with Straw LidHydroJug$29.97 $39.99

HydroJug's 32 oz with a straw lid is for people who are trying to drink more water and want the bottle to do the counting. It is wide, so it does not fit every cupholder. The lid comes fully apart, which I care about more than the capacity.

The gym bottle

Nike Refuel 32 oz Locking Lid Water BottleNike$21.99

Nike's Refuel is a plain, light, locking-lid bottle that costs less than lunch. It is not insulated. For a gym or a classroom that is the right call, because it weighs nothing and you won't mourn it.

The cheap mistake to avoid

Stainless bottles with a painted lid thread, and any lid with a hidden gasket you cannot remove. Both are where the taste comes from.

When to buy

Bottles discount in January and again at back-to-school. Between those windows the price differences are between stores, not over time, which is why every pick here shows more than one store when we have one.