This Stanley Yukon fully waterproof safety boot has a steel toe steel midsole with full anti slip safety rating of S3 WR HRO SRC. It has a 6 eyelet lacing system for a secure fit & has 200j impact protection & a steel midsole for penetration resistance. The boot lining is waterproof a dual density midsole & a rubber outsole which is heat resistant to 300°C & anti-static.