Lightweight. Breathable. Opens and fastens with BOA, which consists of a rotational dial, laces and guides. Carbon fibre toe cap. TPU toe reinforcement. Nail protection of special textile material. Heel reinforcement. Shock-absorbing, light and flexible insole. Insoles are removable. Midsole of XL EXTRALIGHT EVA. Sole made of rubber with extreme slip resistance. Non-marking sole no scuff marks. Sole is oil and petrol resistant. ESD approved to EN IEC 61340-4-3: 2018 + EN 61340-5-1: 2016. Stabilising multi-function shank with integrated absorbing cushioning.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 outer material is breathable and easily leads heat and moisture away from the foot for excellent comfort.- The outer material is made of durable polyester.- The toe caps are made from carbon fibre, a very light and tough material. The toe caps are exceptionally stron