Mavic xa pro bib short these xa pro bib shorts from mavic are made of technical fabrics to provide supreme comfort exceptional breathability and superior moisture wicking management the bib offers high stability and less compression with less restriction on the waist and abdominal area the ergo insert provides comfort and support on long rides with moisture wicking properties to keep you dry featuresbody material 72 polyamide 28 elastanebottom material 80 polyamide 20 elastaneinseam