Cleanroom socks and shoes are electrostatic shoes and dust-proof shoes that are used in conjunction with clean suits in cleanrooms. Since the boot type is integrated into the sole of the shoe, the spread of contamination from the human body in the area is reduced. Conductive yarn is used for the fabric, so it is antistatic. It has excellent ventilation, and has an antistatic function that allows it to escape from the soles of the shoes to the floor so that static electricity does not accumulate in workers and footwear when mounting circuit boards. Cleanroom shoes have excellent durability, and soles are made of polyurethane or urethane, and have excellent cushioning properties. For use in a cleanrooms, socks and shoes are required to be used according to the cleanliness of the area, so it is necessary to select one that matches the cleanliness and work content.