Waterproof and breathable fabric The fabric's reverse side is specially processed to make the fabric completely windproof and waterproof, while retaining a good moisture permeability, which makes it feel comfortable and dry during outdoor sports. Waterproof fabric means that water does not immerse into the fabric under a certain pressure, but the human sweat can be transmitted to the outside through the fabric in the form of water vapor, thereby avoiding the accumulation of sweat and condensation between the body surface and the fabric to maintain the comfort of the garment. it is a high-tech, unique functional fabric.