The D-A FINE yellow foam pad is the most versatile foam pad in the RUPES BigFoot range. (4) YELLOW FOAM DA FINE PADS 9. (2) BLUE FOAM DA COARSE PADS 9. (2) WHITE FOAM DA ULTRA FINE PAD 9. The D-A COARSE blue foam pad is the most aggressive foam option in the BigFoot pad family.