Lightweight. Breathable. Opens and fastens with BOA® Fit System, which consists of a rotational dial, lace and guides. Composite toe cap. TPU toe reinforcement. MASCOLAYER® textile nail protection. Shock-absorbing, light and flexible insole. Insoles are removable. Midsole of EVA. Waterproof membrane of MASCOTEX®. Sole made of nitrile rubber with extreme slip resistance. The sole is oil and petrol resistant. ESD approved to EN IEC 61340-4-3: 2018, EN 61340-5-1: 2016.