Pearl Izumi - Ride Men's Pro Thermal Bib Shorts Body: 56% nylon 30% polyester 14% elastane Mesh: 56% Minerale Polyester 33% polyester 11% elastane Imported Reflective elements for low-light visibility Thermal Fleece fabric provides optimal insulation and comfort; Direct-Vent mesh bib provides superior ventilation Flatlock and double needle seams maximize comfort; Anatomic PRO 1:1 Chamois 9 1/4" inseam (size medium)