The Nitro range of water resistant safety shoes from Sparco are designed to offer excellent protection to the foot while being light and comfortable enough to be worn all day. A non magnetic, composite toe cap is resistant to 200J and a textile midsole provides resistance to penetration.Rated to S3 / SRCRunning shoe styling for all day comfortMetal free constructionWater repellent, anti-static, fuel and oil resistantNon magnetic, composite toe cap and anti-perforation textile insoleEnergy absorbing, ultra-flexible sole reduces stress and fatigueSparco Nitro safety shoes are constructed using high quality water-repellent microfibre and suede upper with a breathable micro-perforated 3D fabric lining which both act to reduce perspiration and keep the foot more comfortable. Sparco's 'RunFlex' sole features an ultra-flexible, single density PU construction which, combined with the energy absorbing heel section helps to reduce stress and fatigue to the lower limbs and spine.EN ISO 20345.2011