Thinner mats (economy or regular) are usually sufficient.
Choosing the right chair mat depends primarily on your and how much you’re willing to invest in durability . High-quality mats prevent floor damage, reduce leg fatigue by easing chair movement, and can even prevent static buildup in dry months. 1. Identify Your Floor Type CHAIR MATS
These require a cleated (spiked) backing to "grip" the carpet and prevent shifting. Thinner mats (economy or regular) are usually sufficient