The 100Percent Racecraft Plus Mirror MX Goggles are packed with features... Specifications Include: Outriggers - Help achieve perfect fit and balance Removable Nose Guard - Attachment of the Nose Guard ensures stability and protection in the most testing conditions Foam - Triple-layer moisture managing foam Air Intakes - Patent pending technology channels air into the foam, aiding in moisture management 100% UV protection Lens - Pre-curved, shaterproof, anti-scratch injected polycarbonate shield lens. Share the same lens shape across the product line Plus+ Shield Lens - Increases visual clarity and protects against the demands of today\'s racing condition Lens Attachment - 9 pin lens retention system. The highest number of retention points in the industry ensures a secure fit Strap - 45mm wide, Silicon coated size-adjustable strap eliminates slippage PLEASE NOTE: These goggles come with a Silver Flash Mirror lens fitted as standard