FDX Men's Quality Cycling Bib Coolmax Padding Tight Shorts Breathable Quick-Wicking Lycra Compression Fabric That Increases Blood Circulation and Optimizes Muscle Performance. Multi section design for anatomical fit Silicon leg grippers to stop shorts riding up - Comfortable for long distance riding Performance moisture Wicking Coolmax Anti-Bacterial Seat Padding. Flat Seam Construction Helps Prevent Skin Irritation