OPTICAL INSERT ANTISHOCK PIN X4 parent_sku_SCICON-SOCKS-SHORT_ps A must-have accessory for Gravel

A must-have accessory for Gravel and Road bikes

The SpaceVent™ channels are located at the top of the lens bridge

Manufactured from CrossGuard™ tear-resistant fabric with TwistZip™ anti-intrusion zipper

Then the Scicon Sports bike defender is what you're looking for

OPTICAL INSERT ANTISHOCK PIN X4 parent_sku_SCICON-SOCKS-SHORT_ps A must-have accessory for GravelSet of four mushroom shaped silicone pins designed to be applied to the prescription lenses of the optical insert. They act as a buffer to prevent direct contact and potential scratching between the insert and the sport sunglasses' sun lenses. The pins are mounted between the Nylor thread and the prescription lens, which must be shaped with a small notch.