Castelli Endurance 4 Cycling Bib Shorts

Castelli’s Endurance short is designed for long training rides, centuries, and endurance events, offering a close-to-the-body fit to maximise aerodynamics and performance. It features anatomic panel construction for a precise on-bike fit and GIRO3 leg grippers that stay flat without constriction. Endurance Evolution fabric delivers firm muscle support and excellent moisture management, helping you stay drier and more comfortable through extended hours in the saddle. Mesh bib straps and back panels promote ventilation to keep your core cool, even in warm conditions. The Progetto X2 Air Seamless seat pad provides enhanced cushioning, breathability, and pressure relief for long-distance comfort and improved airflow. If you fall between sizes or prefer a less compressive feel, consider sizing up. The short is tailored to move with you as you pedal, offering reliable support and stability across varied terrain and temperatures from 15°C to 35°C (59°F to 95°F). Weight is around 203 g, reflecting its balance of performance and comfort for endurance riding.

For a comfortable fit and lasting performance, the seams around the hips are placed to support an ergonomic, bike-ready shape. The soft hand feel of Endurance Evolution fabric adds comfortable compression while supporting moisture management, ensuring the shorts stay in place during long efforts and high-mileage days.

• Endurance Evolution fabric provides muscle support and moisture management
• Progetto X2 Air Seamless seat pad for comfort and airflow
• Anatomic panel construction for precise on-bike fit
• GIRO3 leg grippers lie flat for secure, unconstricted hold
• Mesh bib straps and back panels enhance ventilation
• Lightweight, durable materials for long-distance rides