Castelli Omloop Thermal Men’s Cycling Bibshorts 2026

The Omloop Thermal Bibshort is the ideal pair of shorts for cool autumn and spring days. Cut just above the knee, it offers optimal thermal protection whilst remaining lightweight and comfortable.

Made from Castelli Thermoflex fleece (80% nylon / 20% elastane), it combines warmth, stretch and softness for maximum comfort. Its minimalist construction reduces seams to the bare minimum, whilst the hemless legs ensure a perfect fit without unnecessary compression.

The seamless elasticated bib straps, combined with a breathable mesh back, guarantee support and freedom of movement. Finally, the Progetto X2 Air Seamless chamois offers premium cushioning for long hours in the saddle.

Technical specifications:

- Colour: Black
- Sizes: XS to XXXL
- Temperature range: 12°C – 18°C
- Weight: 237 g
- Fit: Tailored
- Insulation: 3/5, Waterproofing: 1/5, Wind resistance: 2/5, Breathability: 5/5, Lightness: 4/5
- Fabric: Castelli Thermoflex fleece (80% nylon / 20% elastane) for warmth, stretch and comfort
- Construction: minimalist with a reduced number of seams
- Legs: hemless, ending just above the knees
- Straps: seamless elasticated straps with breathable mesh back
- Chamois: Progetto X2 Air Seamless for long-lasting comfort
- Brand: Castelli

Castelli Size Guide