O'NEAL SIERRA Helmet R V.24 neon yellow/black/gray S (55/56 cm)

- Durable outer shell is constructed with ABS. - Optimised air circulation through various vents and internal ventilation channels. - Ultra-plush removable, sweat absorbing and washable padded inner liner. - Secure fit thanks to the Microlock chin strap closure. - Pinlock® 30 fog resistant insert lens included (not mounted). - Perfect all-weather vision with clear visor plus secondary integrated sun visor. - Bluetooth-ready with pre-formed cutouts for optional speakers in the ear area (Bluetooth device not included). - Meets DOT and ECE 22.06 safety standards (depending on market) - Please note: the helmet is slightly smaller than its ECE 22.05 predecessor