... resistance, cold or high temperature resistance, waterproof,etc.C.International standard: CE EN ISO 20345 SB,SBP,S1 ... as your requirements.Information about CE EN STANDARD StandardPropertiesSBBasic safety requirements of ENISO 20345 standardS1SB+ Closed seat region+ ... absorptionS3S2 + Penetration Resistance + Cleated outsoles6.Paying termsWe accept L/C, T/T, west union and paypalDelivery time: in 30 ...