EN ISO 20345, SB and EN ISO 17249, Cut Protection 3. Approved by the Germany Forestry Association (FPA). Suitable for challenging work conditions in mountainous terrain, on steep slopes in ice and snow thanks to soles ready for crampons. The uppers are made of very tough, waterproof 2.8 mm thick, Idro Perwanger leather. With a light, thin Sympatex lining for excellent breathability and waterproofing. The boots have steel toecaps and a Kevlar lining for increased cut protection. Memory-foam inner soles. Pierce-proof soles. The Magma outer soles are extremely wear resistant and roll nicely into each step. Plates on the soles allow easy fitting of screw-in spikes. Delivery includes spike kit no. 83-859 (only up to size 48). Boot height 19 cm. Weight 2920 g (size 43).