An ab mat is probably one of the simplest pieces of gym kit you’ll come across— essentially it’s a piece of board that’s covered in foam with a sloped arch on which you perform sit-ups ...
If you buy something via one of our links, we may earn a commission. The FitRx 24-by-24 EVA Foam Floor Mats kit is on sale for $50, which is 38% off the original $80 price tag. This bestselling ...