Size M/L. Black road bike helmet with aerodynamic design. Features breathable interior and adjustable straps. - Brand: KABUTO - Color: Black - Interior: Breathable interior and adjustable straps - Design: Aerodynamic design - Model: Road bike helmet Thank you for viewing. JCF JCF Certified IZANAGI IZANAGI-2 FLAIR FLAIR-2 RECT REZZA STEAIR AERO-R1 AERO-SP1 AERO-R2 CANVAS-SPORTS KOOFU BC-GLOSBE KOOFU BC-ORO KOOFU BC-VIA KOOFU BC-TRAIL VITT TRANFI FM-X WR-X SCUDO-2 SCUDO-L2 BC-GLOSBE BC-TRAIL CANVAS-URBAN CANVAS-CROSS CANVAS-SMART CANVAS-URBAN X DAYS DAYS-M DAYS-G KAMUI PAL PAL-M PAL-H MILPO CHROME KIDS POPOLA FLAIR (S/M size compatible) RECT LADIES CANVAS-LADIES DAYS-L