FDX Ride in style ladies bib shorts, Ideal for all riders whether its a short trip to work or long training rides or ride around the park. Manufactured from a high-density fabric, which provides excellent fit while insulating and supporting hard working muscles. Anatomically fit designed bib with mesh back for comfort and ventilation. This Bib short is made of 80% polyester Nylon 20% Polyamide. Waist Size for Bib Short (Inches) : XSMALL (UK 8 ): 20" - 22" Small: (UK 10) 22" - 34" Medium: ( UK12) 24" - 26" LARGE: ( UK 14) 26" - 28" XLARGE: (UK16) 30" - 32"