Assos Mille GTO C2 Men's Cycling Bibshorts - Black Series Text Review

Introduction
The Assos Mille GTO C2 Men's Cycling Bibshorts - Black Series represent Assos’s premium endurance / comfort-oriented offering for long rides. Positioned between their race-focused and entry lines, the Mille GTO C2 is intended for cyclists who rack up hours in the saddle rather than chasing marginal gains. This bib is ideal for endurance riders, sportive competitors, gran fondo participants, or anyone seeking an ultra-comfortable pair of cycling bib shorts for long distances and daily training.

Design & Build Quality
From first glance, the design feels refined yet understated. The shorts use high-quality textile blends and advanced knit panels to deliver a compressive yet breathable fit. On the inside, Assos deploys their new Mille GTO C2 insert (chamois) with multi-density foam layers, improved ventilation, and their Goldengate side panel stitching to reduce seam friction. The leg bands are raw-cut edges reinforced with skin grip silicone dots to prevent riding up. The bib straps are wide, seamless, and integrate Assos’s Rollbar system to help keep the pad stable under load. Overall the materials and construction feel top tier; stitching, fabric transitions, and panel integration are precise.

Performance & Features
In use, the Mille GTO C2 excels at long stretches in the saddle. The pad offers generous cushioning under sit bones without excessive bulk, and ventilation is strong in warmer conditions. The Goldengate stitching and flexible pad movement minimize chafe even in aggressive or changing positions. Compression is even across the legs, aiding support and muscle stability over extended efforts. The bib’s structure holds position well even during hard efforts and the leg edges stay in place reliably. The combination of fabrics and ergonomic cuts help reduce pressure points and avoid distracting folds or creases.

Pro:

Excellent long-ride comfort and cushioning

High quality materials, precise build

Stable pad positioning and good compression

Seamless straps and ergonomic design

Cons:

Very premium price

Silicone grippers may feel stiff or collect sweat in some cases

The front patterned textile may attract visual attention

For some riders, thick padding requires precise fit; may feel too bulky if misaligned

Verdict:

If your priority is comfort over speed and you regularly log multi-hour rides, the Assos Mille GTO C2 bibshorts are among the best performance bib shorts you can buy. Their refined construction, advanced chamois design, and long-distance comfort justify the high cost for serious riders. That said, if your riding is more casual, or you prefer lighter, race oriented bibs with thinner pads, there are lower-cost alternatives worth exploring. But for riders chasing premium feel and durability in a performance bib short, the Mille GTO C2 delivers.