Nylon: A soft, stretchy, and durable fabric that's moisture-wicking—perfect for leggings when you want to stay dry and keep sweat stains at bay during your workout. Polyester: This is a strong, ...
If you want something more than just a static-hold plank then here are three of my favorite more dynamic moves. There's one from each plane of movement, sagittal (forward and backward), frontal ...