These warm Gore WINDSTOPPER Bib tights for the recreational cyclist keep wind, moisture and cold away. The adjustable Bibs keep it in place. Zipper on lateral hem allows for easy changing. Main fabric: 100% polyester/gore WINDSTOPPER membrane/shell inside: 100% polyester/insert: 92% polyester/8% elastane/gore WINDSTOPPER membrane/shell inside: 92% polyester/8% elastane/lining: 85% polyamide/15% elastane.