509 Sinister MX6 Flow lens

See better after tossing in a fresh 509 Sinister MX6 Flow Lens, whether you’ve got a big scratch or the clouds roll in. This replacement lens fits our Sinister goggle and features high-flow, anti-fog Frogzskin® venting with a super fine mesh that lets in air and keeps dust out, and easily snaps into your existing frame so you can get back out there.

• Lens vents with Frogzskin® Technology
• HCS (High Contrast Spectrum) Technology Lens Options
• Improved visibility

• Clear Tint - Cloudy, Low Light
• Smoke Tint - Sunny
• Yellow Tint - Cloudy, Low Light

Orders $39 and over qualify for free standard shipping via Ground (UPS, FedEx, USPS) to the contiguous 48 US states. Shipping will be calculated for orders to Alaska, Hawaii, and U.S. Territories including Puerto Rico, Guam, and U.S. Virgin Islands.

P.O. Box Shipping. If you list a PO Box and select free shipping, please add a customer note with your order including a physical shipping address. We will ship to a PO Box if the shipping is comparable to other carriers. Otherwise we may need to ship to physical address or charge additional shipping fees.

Learn about additional details and restrictions by reading our full Shipping Policy

If your order arrives and it is not right, we’ll fix it…period. Doesn't fit or you're simply not happy with your item? Return any new, unused and unaltered item within 30 days of delivery of your item. Learn about additional details and restrictions by reading our full return policy.