1.CSA/ASTM/HECC certified 2.Material:HDPE 3.Unit Wt(g):100 4.Sizes:S/M(53-56CM),M/L(56-59CM) Model No.:SKP01-02Material: HDPEUnit weight: 850g for helmet with face protector, 550g for helmet without face protectorCertification: CSASizes: S (53-56CM),M (56-59CM),L (58-61CM)1.Exclusive cold-resistant and impact-resistant TOP HDPE shell, 2. EPS energy absorptioin liner,lighter in weight. 3. TOOLLESS ...