Stainless steel laced Boa® closure system with easy closure and quick click-opening. Uppers of durable fabric. 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. Sole is oil and petrol resistant. Suitable for working on the knees. PU toe reinforcement. Durable TPU on the sides. 3.5mm profile depth. Ladder grip. Shock-absorbing insoles are removable, durable and ergonomic. Absorbs and removes moisture. Breathable Sympatex® membrane. 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 S3 SRC.