Daytona Helmets Daytona Viper D.O.T. ECE Gray Motorcycle Helmet Our D.O.T. And ECE Daytona Viper Helmet, With Inner Anti-Scratch Retractable Smoke Shield, In Dull Black, Meets And Exceeds D.O.T. FMVSS 218 And ECE 22R06 Standards. With 2 Different Shell Sizes, You're Sure To Get That Proportionate Fit!! Features A Dual Shield System; Outer Anti-Scratch Clear Shield With Pinlock 120 Lens (Anti-Fog) And Inner Anti-Scratch Retractable Smoke Shield. Also Has A Quick Release Lock Retention System; One Finger Release Lever For Easy Detachment, Passive Chin And Forehead Ventilation, And A Removable, Hand Washable Interior (Moisture Wicking Fabric). Bluetooth Compatible. Cloth Draw String Bag Included. Sizes Range From XS-2XL. Product Features: Meets And Exceeds D.O.T. FMVSS 218 And ECE 22R06 Standards. With 2 Different Shell Sizes, You're Sure To Get That Proportionate Fit!! Inner Anti-Scratch, Retractable Smoke Shield. Outer Anti-Scratch Clear Shield With Pinlock 120 Lens (Anti-Fog). (Optional Outer Replacements/Colors Available). Nylon Strap Retention System With Quick Release Lock. Quick Release Lock With One Finger Release Lever For Easy Detachment. Passive Chin And Forehead Ventilation. Moisture Wicking Fabric Keeps Your Head Cooler And More Comfortable. Removable, Hand Washable Interior. Dual-Density EPS Liner. Eyeglass Compatible. Dull Black Finish. Bluetooth Compatible / Bluetooth Integrated Also Included: Cloth Draw String Bag. Shipping: Please allow 2-5 Business days for Delivery Tracking number will be provide for every order within 1 business days About Us: We are an Authorized dealer for Daytona Helmets. We offer different kinds of Motorcycle Helmets, Bike Helmets, Retro Helmets... Feel free to contact us at anytime. Response time is up to 6 Hours. Use the Size Chart below to determine the size you need Helmet Sizes Head Circumference Inches Head Circumference Metric Hat Sizes 2XS 18 1/8" - 19" 46 - 49 cm 5 3/4 - 6 XS 19 1/8 "- 20" 49 - 51 cm 6 1/8 - 6 3/8 S 20 1/8" - 21" 52 - 54 cm 6 1/2 - 6 5/8 M 21 1/8" - 22" 54 - 56 cm 6 3/4 - 7 L 22 1/8" - 23" 57 - 59 cm 7 - 7 1/4 XL 23 1/8" - 24" 59 - 61 cm 7 3/8 - 7 5/8 2XL 24 1/8" - 25" 62 - 64cm 7 3/4 - 8 3XL 25 1/8" - 25 3/4" 64 - 65 cm 8 - 8 1/8 4XL 25 7/8" - 26 1/4 65 - 66 cm 8 1/8 - 8 1/4