Mavic39s women39s ksyrium elite thermo knickers are made from warm tech which has a brushed back for warmth comfort and support it is soft to touch so it feels great next to the skin flatlock seams prevent chaffing to keep you comfortable and riding longerwomen39s ergo 3d endurance insertmavic39s ergo 3d women39s insert offers comfort support and moisture management via a high performance insert with 2 densities and 2 different thicknesses of perforated foam perforated airce