Opens and fastens with BOA, which consists of a rotational dial, laces and guides. Ergonomically formed aluminium toe cap. Nail protection of special textile material. Stabilising multi-function shank with integrated absorbing cushioning. Midsole of PU. Sole made of rubber with extreme slip resistance. Removable insoles, anti-static and durable. Absorbs and removes moisture. Moulded PU scuff cap. The sole is oil and petrol resistant. Heat resistant sole up to 300C contact heat. Ladder grip. Shock absorbing insole. Waterproof membrane of MASCOTEX. Water-repellent and breathable outer fabric. Suitable for working on the knees. Heel cap. Non-marking sole no scuff marks. ESD approved to EN IEC 61340-4-3: 2018 + EN 61340-5-1: 2016.Features & Benefits- The BOA Fit System is made from extremely durable, high-quality materials. BOA allows you to dial in to a fast, effortless, precision fit.- The ergonomic aluminium toe cap provides more protection and gives greater freedom and comfort of