TOPDOWN AUTO

Since 1943

With over 80 years of Automotive Soft Goods Manufacturing expertise, our vast network of Dealers & Installers, and the industry’s most comprehensive catalog, TopDown Auto is the premier global leader in Convertible Tops and Premium Interiors products.

GAHH AUTOMOTIVE

Known across the industry for its specialty in German Luxury & Exotic vehicles, our GAHH brand offers custom interior upholstery and top tier convertible tops. Utilizing the finest leathers & fabrics and widest range of customization options, GAHH convertible tops offer the ultimate combination of luxury and artisan construction.

ROBBINS AUTO TOPS

Since 1943, Robbins has crafted precision-tailored convertible tops and tonneau covers that surpass factory specs for superior fit and durability. Specializing in a broad range of European, Japanese, and American models, Robbins uses premium canvas & vinyl for flawless restorations of classic and modern convertibles.

E-Z ON AUTO TOPS

E-Z ON is trusted by industry professionals for delivering excellent quality at great value. Known for its focus on American Muscle and classic cars, E-Z ON offers an extensive line of Convertible Tops and Headliners made from top-grade materials—making it a go-to brand for restorers seeking perfect fit and authentic factory style.

CALTREND

CalTrend is a leader in custom-tailored Seat Covers, dedicated to perfecting interior protection & upgrade. Proudly Made in the USA, CalTrend combines advanced technology with expert craftsmanship to ensure a flawless, glove-like fit that integrates seamlessly with factory features like side-impact airbags & heated seats.

SIERRA OFFROAD

As the specialty line focused on Jeep, Bronco, & other off-road utility vehicles, Sierra Offroad products are built with marine-grade vinyl & rugged canvas for superior UV, abrasion, & weather protection. From premium soft tops to rugged interior components, expect precision-fit gear with a factory-quality look ready for any terrain.

GERMAN AUTO TOPS

Long recognized for its expertise in convertible tops & interiors for German luxury vehicles, German Auto Tops delivers exceptional quality at competitive prices. With broad coverage of Mercedes, BMW, & Porsche models dating back to the 1950s, the German Auto Tops brand is a trusted authority in German automotive craftsmanship.

CONVERTIBLE TOPS

From timeless classics to modern convertibles, our brands offer the industry’s most comprehensive range of precision-crafted tops. Each is built for factory-perfect fit with premium materials for lasting protection and show-quality appeal. Expect unmatched craftsmanship and enduring style.

PREMIUM
INTERIORS

Our premium interiors blend timeless craftsmanship with modern precision, restoring or elevating interiors to their original or bespoke glory. Using the finest automotive leathers, suedes, & textiles, each piece is custom-tailored for exact fit and lasting performance. From luxury convertibles to classic restorations, our interiors embody meticulous artistry & uncompromising quality.

CUSTOM
SEAT COVERS

Our custom seat covers are precision-engineered for each vehicle’s year, make, & model to ensure an exact fit that enhances comfort and protection. Crafted from advanced, water- & UV-resistant materials, they integrate seamlessly with factory features like side-impact airbags and heated seats. Available in many fabrics, colors, & styles, they deliver lasting durability, tailored performance, and a refined factory-quality appearance.

WORLD CLASS
MANUFACTURING

With multiple Manufacturing Facilities in Southern California & South Carolina, we leverage advanced manufacturing technologies to maximize quality.

NATIONWIDE
INSTALLER NETWORK

With coast to coast coverage, our network of certified trim shops leverages deep experience to ensure the perfect fit for every vehicle.