| Specification | Details |
|---|---|
| Material Type | Fabric Automotive Hooding |
| Construction | 3-layer composite |
| Outer Layer | Solution-dyed acrylic square weave |
| Middle Layer | TPU elastomer membrane |
| Inner Layer | Polyester / cotton dobby lining |
| Waterproof Rating | Fully waterproof |
| UV Resistance | Excellent |
| Colour Fastness | Very high |
| Dimensional Stability | Exceptional (high-speed stable) |
| Stretch Resistance | Very high |
| Acoustic Properties | Good |
| Typical Applications | OEM-style and aftermarket soft tops |
| Global Usage | One of the world’s most widely used hooding fabrics |
| Standard Lining | Black |
| Optional Lining | Beige (selected colours only) |
| Available Colours | Blue, Euro Green, Beige, Black |
Twillfast by Haartz
MBS is proud to be the exclusive UK importer of Haartz Twillfast® fabric, one of the world’s most widely specified and trusted automotive soft-top hooding materials.
Twillfast® II and Twillfast® IV are premium three-layer composite fabrics, engineered for exceptional strength, stability, and long-term performance. The construction features a solution-dyed acrylic square-weave outer fabric for excellent colour retention, a TPU elastomer middle layer for reliable waterproofing, and a polyester/cotton dobby lining that provides structural stability and a refined interior appearance.
Renowned for its dimensional stability—even at high speeds—Twillfast® delivers outstanding resistance to weathering and deformation, making it a preferred choice for both OEM heritage applications and modern aftermarket replacements.
Key Features
- Three-layer composite construction
- Excellent waterproof performance
- High dimensional stability, including at motorway speeds
- Durable, colourfast outer fabric
- Proven global OEM and aftermarket use
All colours are supplied with a standard black lining, with a beige lining option available on selected colours.
| Haartz Outer Fabric Colours | Beige, Black, Blue, Euro Green |
|---|---|
| Haartz Inner Lining Colours | Beige, Black |

