The compact Sunny Health & Fitness foldable treadmill just dipped to under $400

SAVE $299.99: The Sunny Health & Fitness Slim Foldable Treadmill is on sale at Amazon for $399.99, down from the list price of $699.98. That's a 43% discount.

There's always one glaring conundrum if you're shopping for at-home fitness equipment. How is it gonna fit? If you have health resolutions in 2026 but you're not sure how a piece of fitness equipment will fit in your house, there's a solid deal today at Amazon on a foldable treadmill.

As of Jan. 6, the Sunny Health & Fitness Slim Foldable Treadmill is on sale for $399.99 at Amazon, marked down from the normal list price of $699.98. That means you'll be in for a savings of $299.99 from a 43% discount.

If you need a compact treadmill that you can easily tuck under a bed or store in the closet, the Sunny Health & Fitness Slim Foldable model could be excellent. When folded, it measures 30.7 inches wide and 64 inches in length with a height of about 5 inches. The running deck itself is about 18 inches wide.

Another major plus of the treadmill is that it ships fully assembled. You won't have to deal with the hassle of putting it together or finding where all your tools went. Speaking of tools, the treadmill arms fold down onto the running deck via an included tool. Once you're done using that tool, there's a convenient storage spot on the treadmill itself, so you won't have to worry about misplacing it.

The device holder is great for giving you the option to watch a show on your phone and dive into a book on your Kindle while walking. Speed ranges from 0.6 up to 8 miles per hour. The transportation wheels make it extra easy to roll the treadmill away once you're finished.

To keep up with fitness goals while not cluttering your space, snag the Sunny Health & Fitness Slim Foldable Treadmill from Amazon while it's on sale for under $400.