These safety boots S3 + SRC, Airon Model, are made of split suede and has a light carbon toe cap, an anatomical insole, anti-sweat and anti-static. They comply with EN ISO 20345: 2011 CAT II Standard. Available sizes from 38 to 47 (EU). These boots are black with blue seams. They are perfect for every time of the year and any sector, such as industry, construction or agriculture. They are a very good quality product which brings comfort and peace, as well as resistance.