The Qualifier DLX Mips® full-face helmet is stacked with benefits and ready for the streets. The ProTint™ photochromic face shield adjusts to any light conditions you'll encounter, plus integrated audio compartments give your electronics a tidy hideout. Details Versatility and Performance Packed with features gleaned directly from our flagship Star line, the Qualifier DLX Mips delivers exceptional performance at incredible value. Impact performance is enhanced by the inclusion of the Mips energy management system. Qualifier DLX Mips is fully decked with aggressive styling, Velocity Flow ventilation, a removable, washable liner, and a padded wind collar. Specs Impact Management Mips® Shield Type Photochromic Adaptive ClickRelease shield included Circumference 61-62 cm Construction Padded wind collar drastically reduces wind and road noise Ventilation Velocity Flow Ventilation system with FlowAdjust Product Weight 1626g +/- 50g (Size M) Electronics Compatibility Integrated Speaker Pockets Certification DOT (US) ECE (EU) Fog Proofing Anti-fog coating Technology MIPS Mips (Multi-directional Impact Protection System) is a leading slip-plane technology inside the helmet designed to help reduce rotational forces that can result from certain impacts Ionic+ Antimicrobial Comfort Padding Quick-drying interior padding helps manage sweat while using silver for odor control Size Chart Helmet Size CM IN Hat Size (IN) XS 53–54 20 7/8 – 21 1/4 6 5/8 – 6 3/4 S 55–56 21 5/8 – 22 6 7/8 – 7 M 57–58 22 1/2 – 22 3/4 7 1/8 – 7 1/4 L 58–59 22 3/4 – 23 1/4 7 1/4 – 7 3/8 XL 60–61 23 5/8 – 24 7 1/2 – 7 5/8 XXL 62–63 24 1/2 – 24 3/4 7 3/4 – 7 7/8 XXXL 64–65 25 1/8 – 25 5/8 8 – 8 1/8 Cheek Pad Size MM Hat Size (IN) XS 40 Interchangeable (XS–XXXL) S 35 Interchangeable (XS–XXXL) M 30 Interchangeable (XS–XXXL) L 40 Interchangeable (XS–XXXL) XL 30 Interchangeable (XS–XXXL) XXL 25 Interchangeable (XS–XXXL) XXXL 20 Interchangeable (XS–XXXL)