The SPU Sandal has one piece construction of SPU upper and a unique static dissipative SPU sole. This design makes sure human body eliminating static charges fast to ground via the static dissipative sole, and it does not utilize any copper foil for electrical conductivity. It comes with a heel strip, which makes the shoes can be used for both slipper and sandal. 

Features of SPU Sandal:
* ESD Sandal Shoes
* Non-marking, anti-slip sole
* Easy to wash 
* Excellent electrical properties 
* Surface resistance: <109 ohms 
* System resistance: 1.0x106-1.0x109 ohms (STM97.1-1999) 
* Color: Blue, Black, White