S3 safety shoes Robust, modern lace-up winter boot Extra wide design Waterproof leather upper Padded perimeter around ankle Padded dust tongue Warm poly lining Smooth, carbon-repellent lacing system Ultra-comfortable removable insole with anti-static, moisture-regulating system, for superior foot climate and even better comfort uvex 3D hydroflex foam insole provides exceptional energy absorption at the heel and under the forefoot Dual-density PUR outsole with integrated heel reinforcement and protection Extra rugged, self-cleaning 4.5 mm outsole pattern for excellent support and footbed support during climbing Resistant foam protective layer for protection of the toe area of the shoe Steel puncture