Top-Grade Vinyl. Most new-boat upholstery is made with top-grade marine vinyl from brands such as Sunbrella Horizon, Morbern or Spradling. When reupholstering, insist on similar-grade vinyl.

Fabric Quality. When considering a marine upholstery vinyl fabric, boaters should think about quality, longevity, design and support, according to McDaniel. “Investing in a high-quality fabric will ...