Castelli Semifreddo bib shortsThe Castelli Semifreddo bib shorts are designed for those cyclists who prioritize comfort above all else. Its thermal fabric construction ensures long-lasting warmth on cool days on the bike. The lower part of the legs is made with Castelli's exclusive Nano Flex fabric, with a treatment. Castelli Semifreddo bib shortsThe Castelli Semifreddo bib shorts are designed for those cyclists who prioritize comfort above all else. Its thermal fabric construction ensures long-lasting warmth on cool days on the bike. The lower part of the legs is made with Castelli's exclusive Nano Flex fabric, with a treatment that protects against splashes. Minimalist mesh braces are synonymous with a good fit and lasting breathability. Includes the Progetto X2 Air chamois for long-lasting rides.Characteristic:
- Type of shorts: Long shorts, With straps
- Thermoflex fabric from the waist to the knee for greater elasticity and warmth
- Nano Flex stretch fabric with brushed fleece lining at lower leg for splash protection
- Progetto X2 Air chamois for long-lasting comfort
- Minimalist mesh straps
- Zipless ankles to reduce bulk inside shoe covers
- Reflective tabs on the back of the legs
- Temperature range: 6º / 15º C
- Weight: 255 g (Size L)

Technologies:
-NanoFlex
Technology developed exclusively for Castelli. Using Thermoflex stretch fleece and applying a nanofilament coating, an extremely water-repellent fabric is created. The water droplets remain on the surface as small spheres or bounce off the fabric without leaving a trace.