Mocha velvet fabric is cotton. The wool of mocha cashmere is made into cotton cloth through the friction between sander and emery skin. While retaining the characteristics of the original fabric, a layer of short fluff is added to the surface.

Polyester fiber is often called polyester and is often used as the fabric of sweatpants. However, polyester fiber is airtight, easy to feel sultry, lower in production cost than cotton, cheaper in price and larger in output. It's not high-grade fabric, so it's not easy to make underwear.

Mocha velvet fabric is made of cotton, so it is breathable and can absorb sweat quickly. Polyester fiber cotton has poor sweat absorption function, which makes sweat stick to your skin.