Vented Cover for Mercury 175HP 3.4L V6 Sea Pro and Pro XS engines, our covers are custom made, tight fitting covers that are designed to protect the outboard engine cowlings and decals from sun, spray, salt, birds, errant fishing hooks, and anything else than can compromise the factory finish while the engine is running. The STEALTH‘ fabric a unique abrasive resistant, soft lined material and breathable, marine grade fabric that is 95% waterproof and 5% breathable which ensures that moisture will not be trapped under the cover. This 100% woven polyester fabric is UV stabilized to resist fading and rotting. The soft non-woven lining will not scuff or damage your cowling when installed properly. Our covers are easy to clean and will be sure to turn heads!