Metal free. Uppers of durable fabric. Lace fastening. TPU heel stabiliser. Composite toe cap. Mid-sole of special textile material. Stabilising multi-function shank with integrated absorbing cushioning. Non-marking sole no scuff marks. Two-component sole of PU/TPU. The sole is oil and petrol resistant and resistant to certain chemicals. PU toe reinforcement. Suitable for working on the knees. 3.5mm profile depth. Ladder grip. Shock-absorbing insoles are removable, durable and ergonomic. Absorbs and removes moisture. Heel cap. ESD Approved to DIN EN 61340-4-3: 2002 + DIN EN 61340-5-1: 2008. Certified to EN ISO 20345 2011, safety class S1P SRC.