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Endurance-level comfort for every ride with Castelli's most comfortable seat pad.
Endurance-level comfort for every ride with Castelli's most comfortable seat pad.
The price has not been reduced in the last 30 days. The recommended price is set by the manufacturer and is shown for reference only.
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The heart of this short is our renowned top-of-the-line Progetto X2 Air Seamless seat pad, expertly combined with a classic short design. But comfort doesn’t stop there — every detail has been meticulously refined to support you on your longest endurance rides. A great pad is only effective when paired with a perfect fit. That’s why we’ve carefully placed seams around the hips to ensure an ergonomic, bike-ready shape. The Endurance Evolution fabric feels soft against the skin while offering excellent compression and superior moisture management. Everything stays securely in place thanks to the incredibly comfortable GIRO3 leg grippers. Delivering exceptional value, this short is built to provide lasting comfort mile after mile.
PRODUCT FEATURES
Endurance Evolution fabric provides optimum muscle support and feels drier in nearly all conditions
Anatomic cut for perfect on-bike fit
Mesh bib straps and back to keep you cooler
Progetto X2 Air Seamless seat pad for even greater comfort and improved airflow
GIRO3 leg grippers lie flat
TECHNICAL FEATURES
Breathability: 4/5
Lightness: 4/5
Weight: 193 g
Temperature: 15°C - 35°C / 59°F - 95°F
Fit: Tailored
Progetto X² Air Seamless
MAXIMUM TECHNOLOGY FOR SUPREME COMFORT. Constructed in two components, each dedicated to a specific purpose, that together create the most comfortable seat pad on the planet.Skin Care LayerSeamless, bacteriostatic layer made to adapt to the shape of your body and saddle without any folds in the fabric. Cushioning LayerSeamless Integrated Technology (S.I.T.) Perforated Viscous Comfort Zone.
Data sheet
No customer reviews for the moment.
Long road rides
Designed for riders who cover long distances and want constant comfort in the saddle. The Progetto X2 Air Seamless chamois and Tailored fit help over prolonged hours.
Cyclists who want support and compression
Suitable for riders looking for a fabric with muscle support and effective moisture management. Endurance Evolution works with the construction of the bib shorts for a stable performance while pedalling.
Summer rides between 15°C and 35°C
Recommended for the summer season and for temperatures between 15°C and 35°C / 59°F - 95°F. The 4/5 breathability rating and mesh bib straps promote ventilation.
Ideal
Endurance road riding
Suitable for very long road rides, where chamois comfort is a priority. The Progetto X2 Air Seamless is designed to perform well over many hours in the saddle.
Progetto X2 Air Seamless chamois · Long distances · Road
Very suitable
Intense summer training sessions
Suitable for summer training with a sustained pace. The Endurance Evolution fabric and 4/5 breathability help with moisture management.
Summer · 4/5 breathability · Endurance Evolution
Very suitable
Close-fitting rides
Suitable for those looking for a close and stable fit in the saddle. The anatomical cut and GIRO3 grippers help keep everything in place while pedalling.
Tailored fit · Anatomical cut · GIRO3
Suitable
Riding in hot conditions
Also suitable when temperatures rise, within the range stated in the product data. The mesh structure on the bib straps and rear panel improves breathability.
15°C - 35°C · Mesh · Bib straps
Long-distance cyclist
Summer cyclist focused on breathability
The bib shorts are fitted with the Progetto X2 Air Seamless chamois. It is designed to increase comfort and airflow.
They are designed for the summer season, with a usage range of 15°C - 35°C / 59°F - 95°F.
They have a Tailored fit. This indicates a cut designed to sit well in the saddle.
They use Endurance Evolution fabric. It is described as soft against the skin and able to provide compression and moisture management.
The weight is 193 g.
Breathability is 4/5. In practice, it helps on hot rides and during sustained effort.
Information prepared by the BSA team with the support of AI, based on the manufacturer's specifications.