Mavic cosmic wind bib knickerengineered with rigorously tested materials meticulously tailored details and an ergo 3d pro insert this high performance bib knicker is very comfortable ensuring wind protection insulation and unmatched saddle comfort the ergo 3d pro insert offers comfort and performance due to progressive cushioning with 3 different densities and 6 different thicknesses of 3d pre shaped foam the 3 layer membrane of warm shell wind offers the highest wind protection on the fro