Outsole: Florian, anthracite Perbunan outsole with 6.5 mm tread, 3D-developed negative tread for optimum grip on loose and smooth surfaces, highly slip-resistant thanks to 2-compound technology, high cut resistance and mechanical durability, good optimized angle guidance in the joint area and thus better grip on ladders, very good acid and alkali resistance, resistant to temperature fluctuations from -40 to approx. 250 °C.