Sporty low-cut ESD safety shoe made out of recycled materialsRemovable insole: Renew your insole at a regular base or use your own orthopaedic insoles for a higher comfort.Airblaze technology: Moisture and temperature management system to provide optimum wearer comfort by keeping your feet dry and comfortableSteel midsole: Puncture resistant steel midsole made from stainless or coated steel to prevent sharp objects from penetrating the outsole.SRC slip resistance: sole passes both SRA and SRB slip resistant tests; tested on both steel and ceramic surfaces.