ALPINESTARS Supertech M8 Helmet - Radium 2 - MIPS® - Gloss Black/Neon Red - XL 8301523-1397-XL Seat Mounting Knob Stepped 1 3/4" to 1

Stepped 1 3/4" to 1 7/8" headpipes

and is constructed with Alpinestars Drystar®XF technology for the ultimate in waterproof and breathable performance Drystar®XF (Xtra Flow) takes Alpinestars innovative Drystar® membrane to the next level and delivers 50% more breathability performance in dry conditions compared to a standard membrane

with a racing and vivid tone

amazing sound

Includes chrome kick cover

ALPINESTARS Supertech M8 Helmet - Radium 2 - MIPS® - Gloss Black/Neon Red - XL 8301523-1397-XL Seat Mounting Knob Stepped 1 3/4" to 1Maximized ventilation with 19 intakes and 5 exhaust ports Adjustable top pad height (Alpinestar's patented A Head system) Fitted with E 2, latest generation of MIPS, integrated low friction layer designed to reduce rotational motion transferred to the brain from angled impacts to the head Lightweight outer shell is constructed from technologically advanced composite materials for best fit Visor attached to the helmet shell with patented system that