Assos MILLE GT Bib Shorts S11 - Black Series

The MILLE GT S11 is Assos's core endurance bib short, designed to deliver reliable comfort and performance on long road rides and mixed-surface adventures. The construction focuses on a stable riding position and progressive support so the shorts remain comfortable from the first kilometre through multi-hour efforts. Materials are selected for breathability and longevity while the fit sits between the racing and leisure ranges to suit regular cyclists and committed enthusiasts alike.

Across the leg panels you will find a durable, body-mapped textile that manages moisture and holds its shape ride after ride. The updated fabric has a deeper true-black tone and a slightly firmer hand than previous generations, which helps the shorts maintain coverage and compression in key areas without feeling restrictive. The bib straps use Assos rollBar technology adapted from their Racing Series to lock the bib into position and prevent the insert from shifting as you change position, sprint or climb.

Assos have tuned the multi-density insert for long-distance support rather than a race-minimal pad. The pad provides a balance of pressure distribution and breathability so saddle comfort lasts across extended efforts. Leg grippers are designed to keep the hem in place without excessive pinching, preserving circulation and reducing ride-up. Seams and panel placement are arranged to reduce bunching and friction where the body flexes on the bike.

Overall the MILLE GT S11 is targeted at riders who prioritise reliable, repeatable comfort on long training rides, sportives and all-day road trips, but who still want a performance-minded fit and handling. It delivers Assos engineering in a package intended to be a daily go-to rather than an ultra-light race short.

Key Features

• Endurance-focused multi-density chamois - designed to distribute load and reduce hotspots on long rides.
• Durable, body-mapped leg textiles - hold compression and shape for consistent support and improved longevity.
• rollBar bib strap integration - stabilises the insert and keeps the short locked in place during position changes.
• True black Black Series finish - deeper black tone with a low-profile aesthetic.
• Engineered seam placement and leg grippers - reduce friction and keep hems from riding up while maintaining comfort.

Ideal For

• Endurance road riding and sportives where comfort over time is essential.
• Regular training rides and weekend long-distance excursions.
• Riders who want Assos fit and durability without the extreme race cut of the top Racing Series.