Men's Groundbreaker boots. Conforms to ISO20345 Safety Footwear Standard with S3 SRC Safety Rating. Features steel toe protection tested to 200 joules impact, leather upper, antistatic and energy absorbing heel, and a penetration resistant sole. The heat resistant outsole is resistant to high heat up to 300 C. Its oil- and slip-resisting Duratread outsole provides maximum wear resistance, tested on ceramic tile floor with SLS and on steel floor with glycerol. Benefit from Waterproof Pro technology and 4LR technology for support and cushioning for everyday wear.