MILLE GTS Bib Shorts S11

Assos MILLE GTS Bib Shorts S11

The Assos MILLE GTS Bib Shorts S11 are endurance bib shorts for long distances that perfectly balance aerodynamics, compression and comfort. The S11 generation introduces the rollBar suspension system from the Racing Series S9, which increases vertical stability and allows for a less restrictive zeroPressure Waist. At the same time, the cooling airflow over the dual-layer GTS S11 Insert has been significantly improved, creating a noticeably pleasant microclimate on long rides. The in-house Volkano textile delivers silky-smooth compression on the inside, abrasion resistance on the outside, plus UPF 50+ and lasting odorControl through Mineral Tec. Two leg lengths are available – Standard and Long (+3 cm) – so the fit matches your style and intended use. With regularFit positioning, these shorts sit between pure endurance cut and second-skin racingFit, covering a broad range of applications.

• rollBar suspension stabilises performance during sprints, climbs and cornering
• Volkano textile with UPF 50+, abrasion-resistant, ultra-matte finish and Mineral-Tec odorControl
• GTS S11 Insert (13 mm, dual-layer) with 3D Waffle, kraterCooler, whirlKrater, goldenGate 2.0 and kukuPenthouse
• PILtec Plug-In leg finish: ultra-light, breathable, with micro-dot silicone for secure hold even in wet conditions
• zeroPressure Waist for better support and comfort without pressure points
• Two leg lengths: Standard and Long (+3 cm); sizes from XS to 3XL
• Materials: Main fabric 80% polyamide / 20% elastane; insert 85% polyester / 15% elastane

Technical Details and Features

The S11 construction increases the vertical stability of the chamois without restricting freedom of movement at the waist and leg openings. The Butterfly-Wrap-Paneling envelops the muscles with micro-adjusted, fatigue-reducing compression, bringing together long-distance comfort and race-ready aerodynamics. The revised GTS S11 Insert combines a 9mm base of micro shock-absorbing foam with an additional 4mm of targeted support and optimised airflow. Technologies like 3D Waffle, kraterCooler and whirlKrater increase breathability and promote constant, cooling airflow. The leg finish with PILtec Plug-In stays reliably in place even on wet roads, while the zeroPressure Waist supports the abdominal area without pressure. The Volkano fabric contributes to everyday practicality on Swiss roads with UPF 50+ and a durable surface.

Applications and Benefits

Whether base training rides in the lowlands, long Alpine passes or training blocks in summer heat: these bib shorts are designed for endurance rides and particularly excel when temperatures rise. Independent tests highlight strong performance in warm weather as well as the effective, very flat leg finishes, which noticeably benefit long tours. At the same time, saddle comfort and support remain at a high level, making the difference on multi-hour rides. In cooler conditions the shorts still perform confidently, but their advantages are most apparent under higher heat stress. The sun protection from UPF 50+ and the ultra-matte, robust outer material also make them a reliable choice for frequent use on Swiss road cycling routes.

Size and Length Selection

The MILLE GTS S11 is available in seven sizes from XS to 3XL, so both slim and larger builds can find a suitable option. Those who prefer more thigh coverage or additional aerodynamics should choose the Long (+3 cm) leg length; the standard length remains the versatile choice for everyday use. The regularFit sits close to the body without excessive compression, making it suitable for long distances as well as fast training sessions. For a harmonious setup on hot days, we recommend combining with the GTS Jersey S11 and lightweight base layers from the 1/3 summer line. This keeps the core zone well ventilated and the fit at waist and back stable, even when pockets are fully loaded. When trying on, make sure the straps lie flat and the insert sits without wrinkles, so the technologies can reach their full potential.