Motorcycle Seat Cover Waterproof Tips for Rallies

You ride hundreds of miles to a rally, park the bike, and walk off to catch the vendor rows. Then the sky opens up. When you come back, your seat is a puddle. A motorcycle seat cover that handles water, or a seat setup that sheds rain, is the difference between a dry ride home and swamp butt for the next hundred miles. Here is how to prep your seat so rally weather does not ruin your trip.

Rally season means long days, parked bikes, and skies that turn on you fast. Rain is part of the deal. The riders who plan for it stay comfortable. The ones who do not spend the ride home sitting on a wet seat.

Rally Weather Turns Fast, and Your Seat Pays for It

Anyone who has done Sturgis, Laconia, or a big summer run knows the pattern. Bright morning, afternoon thunderstorm, then blazing sun again by evening. Your bike is parked through all of it. A solid vinyl seat soaks up whatever lands on it, and water pools in the low spots and seams.

Then you swing a leg over. The water that was sitting on the seat is now soaking through your jeans. There is no drying it out on the road. You feel it every mile. If you are two up, your passenger feels it worse, since they usually get the flatter, lower part of the seat where water collects.

This is not a small annoyance on a multi day event. Wet jeans plus long hours equals raw skin and a miserable mood. Prepping for rain before you leave is the same kind of planning as packing rain gear or checking your tires.

What Does a Waterproof Motorcycle Seat Cover Actually Do?

A waterproof motorcycle seat cover works by either sealing water out of the seat foam or letting water pass straight through so nothing pools against you. Solid covers block water from soaking the foam. Open mesh covers let rain drain through and keep you sitting above the wet surface, so your backside stays drier after a storm.

Those are two different jobs, and it helps to know which one you actually want. A tight solid cover keeps the foam underneath from getting waterlogged, which matters if your OEM seam has split or your motorcycle seat fabric is cracked. But solid vinyl and leather still hold water on top. You sit down, and it goes right through your pants.

An open weave 3D mesh cover works the other way. Rain drains down through the weave instead of sitting on the surface. Because you sit on the raised mesh and the air in it, not the soaked seat below, your backside stays far drier. Riders tell us their seat drained out while the bike was still parked and they never felt the puddle their buddies were cursing about.

Balancing Water Resistance and Airflow

Here is the trap most riders fall into. Chasing waterproof, they wrap the seat in something that seals tight, and now the seat cannot breathe. That solves rain and creates a new problem in the heat. A sealed vinyl seat bakes in the sun and traps sweat against you on a hot afternoon. You fixed the rain and brought back swamp butt.

The better goal is drainage plus airflow, not a sealed skin. A cover that drains water through the weave also lets air move under you as you ride. On a rally with a wet morning and a scorching afternoon, that combination matters more than pure waterproofing.

A few things to weigh when you compare options:

• Drainage: Does water pass through, or does it sit on top?
• Airflow: Does air move under you in the heat, or does the cover trap it?
• Grip: A wet seat gets slick. Anti slip matters more in the rain, so you are not sliding forward into the tank under braking.
• Fit: A cover shaped for your exact bike sits tight and does not flap or shift.
• Foam protection: If your seat is already cracked, keeping the foam from soaking up water buys you time before a full motorcycle seat cover replacement.

That last point is worth a note. A lot of riders are running high mileage bikes with a seat that has seen better days. A cover that sheds water and hides a split seam saves you from a costly harley seat cover replacement or hunting down harley davidson motorcycle replacement seat covers mid season. It covers up the damage and keeps the rain off the foam at the same time.

Prepping Your Seat Before the Next Rally Ride

Do not wait until the storm hits to think about your seat. A little prep before you roll out saves the whole trip.

1. Check your seat for cracks and splits. Water gets into a cracked seat and stays there. Even a small tear in the motorcycle seat cover fabric lets the foam soak up rain that never fully dries.
2. Fit a cover that drains. A cover that lets water pass through keeps your backside off the wet surface after a downpour. This beats a towel every time.
3. Sort out your backrest opening early. If you run a backrest or a saddlemen tour pack backrest, make sure any cover works with it before you leave. Any opening for a backrest post is a small cut you seal yourself, not something to figure out in a rally parking lot.
4. Cover the rest of the bike too. Saddlebag lid covers and a motorbike seat cowl on the passenger seat keep water out of the spots you forget about.
5. Add shade when you can. A motorcycle seat shade cover or just parking in shade keeps the seat from baking between storms.
6. Test grip while wet. Sit on the bike after you rinse the seat. A slick cover in the rain is a safety problem, not just a comfort one.

If you are building a bike back up or dialing in comfort on an older ride, our guide to custom motorcycle seat covers for vintage rebuilds walks through fit and material choices in more detail. And if you are prepping for a specific event, our writeup on gearing up for Laconia Motorcycle Week covers the rest of your rally packing list.

Skip the gimmick fixes. Beaded seats, sometimes sold as a bead motorcycle seat cover, roll water around and dig into you on long days. A rolled up towel blows off at speed. A bath towel over the seat is soaked through by the time you get back to the bike. These are stopgaps, not a real waterproof plan for a rally.

Wind Rider for Riders Who Ride Rain or Shine

The Wind Rider mesh seat cover is built on open 3D mesh, so rain drains through the weave instead of pooling on the seat. You sit on the raised mesh and the air in it, which keeps your backside far drier after a storm and cooler when the sun comes back out. It grips in the wet so you are not sliding forward, and it covers a cracked or duct taped seat so you can hold off on a full replacement.

Each cover is shaped for your specific bike and installs in about 5 minutes with velcro straps that loop under the seat. No tools, just pull the seat, criss cross the straps, and lock it back on. It ships free worldwide and comes with a 30 day guarantee, so you can try it on your next rally run and send it back for a full refund if it is not for you. If you run an aftermarket seat like a Saddlemen or Corbin, email service@windriderseatcovers.com with your bike and seat brand and we will check if we make a cover for it. Makes a solid gift too, as we covered in our roundup of gift ideas for the motorcycle rider.

Check fit for your bike on the Wind Rider product page and get your seat rally ready before the next storm rolls in.

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About the author: Rick Donovan. Touring rider, 25 years on Harleys, writes about long-haul comfort and the gear that earns its place on a long ride.