VIEW SIZE GUIDEThe HJC F71 pushes the limits of a Sport-Touring model with its new sleek case design. Constructed from fiberglass composite in 3 outer shell sizes. The redesigned top venting with enlarged vent openings allows for increased air intake and ventilation. Also included are both a visor and sunscreen (HJ-V12 and the Pinlock-ready HJ-38 clear visor features a new PE (push/eject) locking system for improved safety, yet easy to use with gloves. The new sun visor (HJ-V12) offers the rider a new 3-position option to adjust the sun visor forward (up to 10mm) providing ideal protection for the sun visor. The F71 is ready for the HJC 11B (BT), 21B (BT) & 50B (MESH) Bluetooth Smart systemsTechnical sheet:Shell / Safety: Material: Composite Fiberglass Shell: Lightweight, with superior fit and comfort. Cap size number: 3 (1st xs-s | 2nd ml | 3rd xl-2xl ) Internal EPS size number: 3 (1st xs-s | 2nd ml | 3rd xl-2xl) Approval: Meets and exceeds the regulations ECE 22.06. Aerodynamic shell structure for extreme performance at maximum speeds Strap: Double D ring clasp Weight from:1450 g (+/- 50 g) Visibility: HJ-38 Clear Visor with 99% UV protection, Pinlock ready Pinlock DKS466 Lens Included HJ-V12 internal drop-down sun visor adjustable in 3 positions for an optimized fit. Wide field of view: Provides better peripheral vision for riders. Two-way visor mechanism: smooth movement and increased waterproofness Improved double visor locking system for high speed racing Interior: Interior: made of advanced antibacterial fabric, for better moisture evacuation and quick drying, completely removable and washable Interchangeable pillows in all sizes (optional) Suitable for prescription glasses Ventilation: Front edge spoiler designed for noise reduction and less air turbulence Advanced Channeling Ventilation System “ACS”: Full airflow passes from front to back and eliminates heat and humidity from the helmet High performance air circulation: 3 rear air intakes and 2 rear air outlets Specifications:Prepared for installation of the SMART HJC 11B Bluetooth system; 21B E and 50B, available separately