These are "WS11 Black Static Electricity Shoes," safety shoes made by Simon Corporation. These electrostatic safety shoes discharge static electricity accumulated in the human body through the soles, and are used to prevent explosions, fires, and damage to electronic devices. Product Features: Model Number: WS11 Standard: JIS T 8103 (Electrostatic Discharge Shoes) Approved Size: 26.5 cm EEE (Wide Width) Sole: Uses a "SX3 Layered Sole F" that does not hydrolyze, providing high slip resistance and cushioning. Material: The upper uses cowhide (embossed soft) and mesh, and a wide ACM resin toe cap is installed. Main Uses: Work in factories where static electricity countermeasures are required Long hours of walking or standing work (Walking Safety Series) *This item is stored at home. Please refrain from purchasing if you are sensitive to imperfections or seek perfection. ★Instant purchase is OK. ★We will consider price negotiations as much as possible. ★Listed on other flea market sites, so it may be deleted suddenly. Thank you for reading to the end. m(_ _)m Thank you.