The Old School Cert was modified from the original 1973 Full-Tec and features a retro shape that sits low on your head, offering great impact protection. The premium heat-sealed liner keeps you comfortable and the 11 open vents keep you cool. The more round shape practically molds to any shape head. Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older

- CERTIFICATIONS • ASTM 1492/1447, CPSC 1203, AS/NZS 2063:2008, CE 1. Founded in 1973, Pro-Tec is the original skateboard protective gear brand, featuring the market’s most recognizable style of helmets. Pro-Tec designs are often imitated but never truly duplicated; that's because no other action sports brand has 40-years of heritage producing the most stylish and technologically advanced protective gear. VENTS • 11 Open Vents. SHELL • High-Impact ABS. LINER • EPS.

Inner Material: Expanded Polystyrene. Recommended Uses For Product: Skateboarding. Vehicle Service Type: Bicycle. Outer Material: Polycarbonate. Size: Medium. Color: Matte Metallic Blue. Brand: Pro-Tec. Date First Available: January 4, 2022. Best Sellers Rank: #237,183 in Sports & Outdoors. Customer Reviews: 4.5 out of 5 stars 10 ratings 4.5 out of 5 stars. : B09PMLMX7R. Sport Type: ?Skateboarding. Size: ?Medium. Outer Material: ?Polycarbonate. Part Number: ?OS-SKT-MATMETBLU. Manufacturer: ?Pro-Tec. Number of Items: ?1. Material: ?ABS, Plastic. Color: ?Matte Metallic Blue. Brand Name: ?Pro-Tec. Package Weight: ?0.72 Kilograms. Item Package Dimensions L x W x H: ?11.57 x 9.21 x 7.17 inches.