If you've ever tried to pull a fabric cover directly over bare foam, you've probably noticed that it's a real challenge. The fabric gets stuck, bunches up, and the final look is rough and uneven. That's where a special knit mesh comes in handy, usually simply called stockinette , it helps to stuff foam into cover easily. What is this? It is a highly elastic, thin and slippery tubular mesh made of a polyester (sometimes cotton) blend. It acts as an intermediate layer between