Milimetric adjustable buckle base, located on the outer side of the boot, suitable for models 3040, ANDES, NADOR and 334.
Combined metal and TPU fastener, screwed to the boot except for model 334 junior which is fixed to the boot by rivets.
There is no mandatory level of protection for this sector.
Cleaning can be done with a cloth dampened with water. No chemicals should be applied