Pump or Clog is a type of SHOE. It is a style of footwear that has a closed toe and heel, usually made of leather or synthetic materials. The SHOE is designed to be comfortable and supportive, with a low heel and a wide toe box. The sole of the SHOE is often thick and cushioned, providing extra support and comfort. The style is popular among both men and women, and can be found in a variety of colors and designs.