Brand Name: OAKLEY Oakley Product Name: MOD3 MOD3 Manufacturer Model Number: FOS901056 24J Size: M: 57-61cm Color: FORGED IRON Details: The MOD3's new design has been updated with an adjustable vent, allowing you to adjust the ventilation inside the helmet with a dial. The 360-degree BOA® closure system provides a comfortable, enveloping fit, ensuring the helmet fits securely. The evolved Modular Brim System allows you to integrate goggles without risk, and you can choose from designs with or without a brim. Furthermore, it features newly designed ear pads and a headliner made of X-Static® material, which prevents odors and has antibacterial properties.