TheBell Trace Mips Helmetis ideal for everything from fitness rides, adventure rides or just casual rides around the neighborhood. With its easy, approachable style, theBell Trace Mips Helmetis an all-around performer that gives you lots of options. The Ergo Fit system offers a slim, easy-to-use dial with the option of integrated MIPS, plus No-Twist Tri-Glides provide smooth fit adjustment. Bell Trace Mips Helmet Features Certification:CPSC Bicycle, CE EN1078 Construction: Fusion In-Mold Polycarbonate Shell,Ergo Fit™ No-Twist Tri-Glides™ Sweat Guide™ MIPS® (optional, integrated with fit system) Bell Trace Mips Helmet Specifications Size:XL 58-63cm, Uni 54-61cm Ventilation: 16 Vents Weight:MIPS, 360g (size U) More info