| Fabric blend | Blend ratio impacts on fabric thickness and thermal resistance | |||
| Equation of best fit for Ret | R2 | Equation of best fit for WVTR | R2 | |
| Bambo/Tencel | 7 × 10−7x4 − 0.0002x3 + 0.0103x2 − 0.169x + 2.68 | 100 | −0.0013x + 0.3681 | 99 |
| Cotton/Bamboo | -.- | -.- | −0.0011x + 0.2692 | 99 |
| PES/Silk | -.- | -.- | 0.0001x + 0.0974 | 98 |
| Cotton/Angora | -.- | -.- | 7 × 10−6x3 − 0.0019x2 + 0.1707x − 4.8705 | 100 |
| Banana/Cotton thin | -.- | -.- | 2 × 10−6x2 + 6 × 10−5x + 0.0742 | 100 |
| Banana/Cotton thick | -.- | -.- | −3 × 10−6x2 + 0.0003x − 0.0021 | 100 |
| Viscose/Silk | -.- | -.- | −3 × 10−8x3 + 6 × 10−6x2 − 0.0002x + 0.0973 | 98 |
| Linen/Cotton | -.- | -.- | 0.0001x + 0.0594 | 99 |
| Hemp/Cotton | -.- | -.- | −3 × 10−6x2 + 0.0004x + 0.0594 | 100 |
| Ramie/Cotton | -.- | -.- | −2 × 10−6x2 + 0.0004x + 0.0594 | 100 |
| Silk/Acrylic twill | -.- | -.- | −7 × 10−10x4 + 2 × 10−7x3 − 10−5x2 + 0.0002x + 0.0058 | 100 |
| Silk/Acrylic plain w. | -.- | -.- | −10−10x4 + 3 × 10−7x3 − 10−5x2 + 0.0002x + 0.0062 | 100 |
| Wool/Polyester | −0.0005x2 + 0.0805x + 0.0824 | 100 | -.- | -.- |
| Acrylic/Viscose | 0.0002x2 − 0.022x + 4 | 100 | -.- | -.- |
| Acrylic/Cotton | 0.0002x2 − 0.026x + 4.4 | 100 | -.- | -.- |
| Acrylic/PES | 0.0006x2 − 0.092x + 7 | 100 | -.- | -.- |