The canvas protect the crew when sailing. They close off the cockpit and create additional living space. The panels can be rolled up.

It protects the steering wheel and console from damage caused by the weather (UV and moonlight).

She's protecting the console. She is used immediately after extended parking  in port, dry or throughout the wintering period.

The covers protect the entire seat from the sun and weather. They are used as soon as the vessel is parked for extended periods, in port, dry, or for the wintering period. It shall be removed when moving the vessel on a trailer.

They protect the cockpit from the sun and from indiscreet eyes at port or anchorage.

Quote on request.

Sail designed to provide protection from the sun and to preserve privacy on board.

It protects the helm from the sun and rain.

He may receive in addition tower canvases.