509 Altitude 2.0 Helmet Black/Lime 4XL

Overview & Specs
– Hand lay-up Carbon Fiber composite construction for stornger, lighter weight, and better fit construction
– XS to 4X sizes available in three shells for optimal fit and minimal weight
– Upper vents with on/off shutter closure for airflow control
– Fidlock® chinstrap strap closure for easy in and out
– Go-Pro® mounting capability and improved design
– Perfect fit between helmet eyeport and 509 Goggles
– Pro-Series Breathbox for complete protection, removable for optimal air flow
– Weight: ECE helmet as low as 1070 grams, and DOT/ECE 1150 grams