• Technomicro Microfibre
• CAMBRELLE®
• Air Teflon Mesh
• SRS Dovetail sole with the innovative and patented interlocking system.
• SRS sole can be replaced using a standard screwdriver.

 Technology:

• Replaceable shin plate
• Micro adjustable and replaceable buckle system
• Flex system upper
• Exclusive and patented flex system with hyper extension block
• Fully adjustable calf area
• Wider calf upper (+ 3cm) - Adjustable system between the calf, shin and leg upper which allows to widen the circumference of the boot and accommodate even the wider calves
• Replaceable metatarsus inserts
• Toe area covered with a plastic reinforcement
• Rigid, shock resistant, anatomically shaped heel cup
• Assembled and replaceable boot leg, it is stitch-free
• Nylon inner sole with removable arch support pad

Check them out in SIDI website.