S3 SRC - EN ISO 20345:2011 UpperWaterproof microsuede with high-frequency PU inserts and protective toe cap reinforcement made of crust suede OutsoleSingle-density polyurethane Toe CapAluminium, 200 joules Penetration-proof insole Composite fibre, ceramic treatment Underfoot coverAnatomically shaped, with cushioning heel lift Weight470 g