The phrase "soft tonneau" refers to a cover made of flexible material, like cloth or vinyl, that goes over the open bed of a pickup truck. It helps protect things in the bed from weather and theft. Full definition
The Trifecta folding soft tonneau cover by Extang allows you the ability to use your truck to haul large items and keeps it clean and protected the rest of the time. (carparts.com)
Well, it does come with a spray - in bed liner (which is also black) and a folding soft tonneau cover (also black) and sill plates embossed with the Chevy logo. (topspeed.com)
Tonno Pro's tri-fold soft tonneau cover features a hinged panel design that not only improves the look of your truck but improves aerodynamics to boost fuel efficiency as well. (carparts.com)