The top cross boot is made of the best leather with safety protectors, the high-quality pivotal ankle joint system gives excellent support for best safety with optimal freedom of movement. A durable boot with a comfortable fit. Features High-quality, durable cowhide with plastic protectors WRAP AROUND pivot joint system for optimal freedom of movement Soft stretch dust and dirt seal above Shaft height about 38 cm Adjustable calf width through shin-front panel with 3 screws Plastic protectors on the ankle, heel and shin wide aluminum buckles adjustable and easily replaceable SCD padding in the shaft heat-resistant calf protection with GRIP-GUARD plastic flexible zones on instep and heel Switch reinforcement made of sturdy plastic anatomically shaped footbed