The Sidi Trial Zero.1, 1 boot has been designed for Trial racing. It is produced in Lorica & in pressed anti-wear Split-grain leather to isolate the leg from external heat. The frontal is made in polyurethane. The Sidi Trial Zero is completely lined in Cambrelle, the new sole is of rubber & the thread has been specially designed for the omproved grip required by Trial Racing. The Rigid heel is shock-resistant & is anatomically moulded polyurethane. Features Top grain leather & anti-wear shammy split-grain leather to isolate the leg from external heat Articulated movement above the ankle. Flex system at the ankle Sidis Quick-Release mechanism Shock resistant heel system Sliding pattern on heel Special spoiler fitted to deflect stones & dirt from the first buckle Impact deflectors at the vulnerable points Removable innersole This item cannot be shipped to the United States & Canada.