evo.com | Smith Bike Helmets > The Smith Ignite MIPS Bike Helmet is a race day favorite. With super lightweight construction, a smooth aero shell, and the ventilating power of Koroyd, this helmet is speedy, safe, and breathes on hot days. Its both MIPS equipped, and eyewear compatible. MIPS System Equipped In a helmet with the MIPS Brain Protection System, the shell and liner are separated by a low friction layer that allows the helmet to slide relative to the head in and angled impact. Lightweight Aerocore(TM) In-Mold Construction Koroyd(R) is a tubular core structure, patented worldwide and manufactured in Germany. Koroyd is not just an evolution of product; it is by definition a revolution in protection material, which is proven to afford a significant and even astonishing level of protection. CPSC & CE EN 1078 VaporFit(TM) Adjustable Fit System Crafted with ease-of-use and superior comfort in mind, the VaporFit system relies on a tried-and-true rotary dial adjustment system integrated with a tuned elastic fit using engineered shapes. Each VaporFit system has a full 5cm of rotary adjustability. Additionally, the system can be moved up/down or forward/backward at the attachment points. The final result is increased comfort with a personalized, secure fit. In-Mold Construction Polycarbonate and EPS | Smith Ignite MIPS Bike Helmet 2025 - Medium in White