Accuri Goggle features: Foam: Moisture managing triple layer foam. Frame: Constructed out of flexible yet durable urethane. Lens: Comes equipped with anti-fog, scratch resistant Lexan lens for unimpaired vision. Shares the same lens shape across the product line. Lens Attachment: 9 pin lens retention system. The highest number of retention points in the industry ensures a secure fit. Strap: Oversized 45mm silicon coated strap holds your goggles motionless. Simplicity: All 100% Adult MX goggles share the same lens and tear-off profile. In the Box: Mirrored Lens models include: An extra clear lens and a sublimated microfibre bag. Clear Lens models: a sublimated microfibre bag Filter Category 2 Light Transmission 38%5% Clear Lens: Filter Category 0, Light Transmission 88%-92%