509 Altitude 2.0 Carbon Fiber 3K Hi-Flow Snow Helmet Size:XL any condition the 509 Evolve

any condition the 509 Evolve Bib Shell is our bestselling pant and the outerwear team's unofficial uniform

Wired boom microphone: length 183 mm

Collect them all

it puts comfort on blast with three-stage ventilation in a lightweight and stretchy tech jersey fabric

Material: High-quality

509 Altitude 2.0 Carbon Fiber 3K Hi-Flow Snow Helmet Size:XL any condition the 509 EvolveEngineered with 40% larger chinbar intake and rear exhaust vents. All open vents, removed shutter for increased flow, plugs removed, more breathable for mountain riders. Combined with an ultralight ECE 3K Carbon layup this helmet is optimized for the most demanding off trail riders. FEATURES Hand lay up carbon fiber composite construction XS to 4X sizes available in three shells for optimal fit and minimal weight Upper vents for optimal airflow Go Pro