Dye i4 - Dirty Bird oring kit Operating at a low pressure

Operating at a low pressure of 140 PSI

Ball Detent x4

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built-in hip pad protection

Hyper3 Regulator - increased flow

Dye i4 - Dirty Bird oring kit Operating at a low pressureThe smallest profile, lightest, and best field of vision goggle system available. The i4 is the apex of Dye's long legacy of goggle engineering. The thermal lens leads the industry in optical clarity and provides a distortion and fog free field of vision regardless of weather. The i4 system also has a variety of lens options to match your lighting conditions. Features: Anti Fog Thermal Lens Rapid Lens Change Horizon Peripheral Vision Scream Venting