EL170DDR Black safety chukka boot. Available to order in bulk (1000 pairs+)Dual Density Rubber injected sole unit heat resistant to 300°C. SRC slip resistance rating. Injection soling process ensures for a reliable bond between the upper and the sole. Steel toe cap resistant to 200 joules impact and steel midsole. Steel toe cap and steel midsole. Meets safety footwear standard EN ISO 20345:2011 S3 CI HI HRO SRC.