ESD low cut shoes upper is made of microfiber, perforated which provides good breathability. Breathable mesh lining. Elastic laces for closure. Soft tongue and heel part. XL glass fiber toecap. Metal-free shoe. Insole - antistatic and antibacterial. Sole is protected with a light and flexible Kevlar type insert. Sole - two layers PU/PU, antistatic, resistant to oil. Shoe meets ESD requirements.