Molded-Hull Jon Boat

Look for: Small molded or polyethylene Jon-style hull with an open layout.
Why this style: The pattern follows the rounded molded hull instead of the sharper aluminum-Jon profile and allows cover room for a trolling motor.

What Is a Semi-Custom Boat Cover?

A semi-custom cover is patterned for a boat category and size range—not one exact year, make, and model. Learn more about semi-custom fit.

10 Business Days delivery estimate

Designed for small Poly-Jon style boats with bow- or rear-mounted trolling motors.

Before selecting a cover size, measure your boat’s centerline length and maximum beam.

Centerline lengthMeasure from the tip of the bow to the farthest point aft, including permanent swim platforms.
Maximum beamMeasure straight across the widest point of the boat.

Centerline length and maximum beam

Use your boat’s actual measurements, including any permanent swim platforms or other extensions the cover needs to fit over.

Select the size range that contains your boat’s measurements.

Open a matching size directly. Each result includes the compatible propulsion type.

How to measure your boat Ask a cover specialist