Blackrock Yukon Waterproof Composite Safety Boots with YKK Side Zip Metal Free Toe Cap and Midsole S7S SC HRO FO SR Heat Resistant Work Boots with Slip Resistant PU Rubber Sole - Size 11 Black

YKK SIDE ZIP: Blackrock’s Yukon safety boots feature a genuine YKK side zip for fast on and off, keeping Blackrock’s work boots practical for security, highways and emergency roles where time and convenience matter WATERPROOF PROTECTION: Blackrock’s waterproof safety boots use a membrane carefully sewn into the upper to help keep feet dry in wet ground and poor weather, supported by a waterproof leather upper built for outdoor work S7S CERTIFIED SAFETY: Blackrock’s composite safety boots are certified to EN 20345:2022 S7S SC HRO FO SR, delivering trade-credible performance for high-demand environments where compliance and reliability are essential HRO 300°C OUTSOLE: Blackrock’s Yukon work boots use an ultra hardwearing PU/rubber outsole rated to 300°C (HRO), engineered to remain slip resistant, anti-static and fuel oil resistant for confident footing across varied surfaces HEAVY DUTY DURABILITY: A heavy duty bump cap and scuff protection reinforce Blackrock’s safety boots in high-wear zones, while the energy absorbing heel helps reduce foot fatigue during long shifts and active work