Giordana EXO Bib Knickers - Men's Material: [upper leg panels] Moovix, [leg panels] Granfondo, [inner thigh] Zaffiro, [upper straps] AeroFix Pro, [cuffs] LoPro 30, [ventilation panel] Illusion, [waist] Ametista Fit: race Chamois: yes, Cirro OmniForm Chamois Thickness: [variable] 4 mm Season: spring/summer