Hollow Kingpin

- Durometer: 101a

Invisible zip opening on right side with mesh lining

Cotton / Poly / Spandex

M: 70x24mm

Protec Old School Certified Helmet Matte Metallic Blue SIZE_36" Waist Hollow KingpinThe 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. SHELL High Impact ABS LINER EPS VENTS 11 Open Vents INTERIOR Heat Sealed Premium Pads FIT 5 sizes XS, S, M, L, XL CERTIFICATIONS ASTM 1492 1447, CPSC