The best winter bibtight for most of your winter riding. With a focus on comfort, Castelli used warm and soft Thermoflex fabric throughout, with carefully placed seams to minimize irritation, and the Progetto X2 Air Seamless seat pad for comfort on the longest days in the saddle.

• Thermoflex fabric for warmth, stretch, and comfort
  
• Stretch mesh bib straps for ventilation and comfort
  
• Progetto X2 Air Seamless seat pad for long-distance comfort
  
• Zipperless ankle to reduce bulk
  
• Reflective tab on back of leg