Scorpion Covert X Helmet The helmet that redefined badass has evolved into the all New Covert X. Same multi-configuration versatility featuring a refined 1/2 helmet profile, injection-molded LG® polycarbonate mask, and lightweight Ultra-TCT® composite shell construction resulting in a truly minimalist. Features Advanced LG® Polycarbonate Shell: Developed exclusively by Scorpion, our industry-leading polycarbonate shell is engineered to minimize weight and disperse impact Dual Density EPS Aero-Tuned Ventilation System EverClear® SpeedView® Drop-Down SunVisor: Retractable tinted sun-visor that eases eye strain instantly in varying light conditions. EverClear® coating is applied to both sides for a fog-free ride. Comes with dark smoke installed and an additional clear visor for night-time riding. KwikWick II® Anti-Microbial Comfort Liner: KwikWick II® anti-microbial fabric keeps you cool and dry in warm weather, warm in cool weather Liner is easily removable and washable. Removable Rear Comfort Sleeve Included Removable Front Mask with Neodymium Magnets Double D-Ring Chin Strap System Block-off Plates Included For Use In 3/4 Mode DOT FMVSS No. 218 Certified Sizing The first step in the fitting process is to measure around your head at the temple above the eye brow. See the placement of the measuring tape. These are guidelines, a starting point, visit your dealer for assistance in selecting a proper fit. Size Chart Size CM Inches Hat Size XS 53-54 cm 20 7/8-21 1/4 6 5/8-6 3/4 SM 55-56 cm 21 5/8-22 6 7/8-7 MD 57-58 cm 22 7/16-22 3/4 7 1/8-7 1/4 LG 59-60 cm 23 1/8-23 5/8 7 3/8-7 1/2 XL 61-62 cm 24-24 3/8 7 5/8-7 3/4 2XL 63-64 cm 24 3/4-25 3/16 7 7/8-8 3XL 65-66 cm 25 9/16-26 8 1/8-81/4