Desinged in 2013 , the DL Mach 1 was created with a fusion of his earlier models Snake and Vaiolet .
David won the Italian Championship in 2014 wearing this helmet proving it 's functional design and quality .
Desinged in 2013 , the DL Mach 1 was created with a fusion of David 's earlier models Snake and Vaiolet .
David won the Italian Championship in 2014 wearing this helmet proving it 's functional design and quality .