You probably will stay warm enough because you'll be partially submerged in down.

As of May 2012, the ferry has taken on water, and is partially submerged.

They grow in wet areas, sometimes even to the point of being partially submerged at times.

His head had cracked the ice on the river and was partially submerged.

Specifically, its root system must be partially submerged in water most of the time, and it wants very good light.

The back parking lots were also partially submerged, and power was temporarily lost.

As the water rose, the bridge eventually give up its supports but by then it was partially submerged.

All of them seemed partially submerged or obscured by spray.

Its thick stem may be partially or completely submerged below the soil line.

It lies in wait for its prey (usually partially submerged).