HEAVY DUTY SAFETY Steel Toe Cap Boots with Steel Mid Sole Protection S3 SRC DESIGNED IN THE UK: Our designs are registered and protected designs both in the EU and UK SAFETY APPROVED UK and EU CE CERTIFIED EN ISO 20345:2011 S3 SRC: Issued by Intertek OIL AND SLIP RESISTANT long lasting soles with anti-static heels SRC | Comfort build from inside-out Safety Boots with Steel Toe Cap and Steel Midsole Protection SAFETY APPROVED UK and EU CE CERTIFIED EN ISO 20345:2011 S3 SRC: Issued by Intertek Genuine Leather Lightweight Oil and slip resistant long lasting soles anti-static heels SRC Comfort build from inside-out