Okay, so I've been using this ab mat for about a month now, and honestly? Game changer. That lower back support is no joke - finally can do sit-ups without feeling like my spine is cracking in half.
The foldable design is perfect for my tiny apartment. I just toss it under my bed after workouts. The non-slip base actually works (shocking, I know) so no more awkward mat-sliding situations mid-crunch.
Pro tip: If you're between sizes like me (5'4" with weird proportions), go for the tailbone version. Gives just enough lift without being uncomfortable. My only complaint? Wish it came in fun colors instead of just black.
Seriously though, for $20? Way better than rolling up a towel like I used to do. 4.5/5 stars - would be 5 if it came with a cute carrying pouch or something.