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Assos FI.Mille S5 Bib Shorts


The FI.Mille S5 bibs shorts are perennial favorite of many riders and subsequently, one of our best sellers. Assos makes several styles of shorts and bibs, but only the FI.Mille carry the distinction of being called the long distance bibs. To understand why the tag of long distance has been bestowed upon them and what makes them different from the other bibs in the Assos range, you have to get a grasp on the design and technology used in the garment.

The body of the bibs are constructed from Assos's proprietary A430 sheer fabric. The A430 fabric for the Mille, is specially woven to offer more stretch and less muscle compression than other A430 garments. It is this added stretch and less tension on the body that make these bibs perfectly suited for longer rides or for larger riders that want a more forgiving pair of bibs that can stretch around a larger thigh or chest. In error, many riders think that the Mille are a bigger and more voluminous fit for larger riders, when in fact, they fit similar to other Assos bibs, but have the added elasticity to expand and fit larger riders. In summary, the FI.Mille bibs offer a body fabric that has more elasticity and less muscle compression which allows them to be more comfortable on longer journeys and/or fit larger riders.

Beyond elasticity and support, the A430 fabric used in the panels of the bibs wick moisture and help regulate your body temperature. It also offers plenty of support while managing to be low volume and light weight. At this level of bib shorts, we now see a curved and anatomical S5 chamois. The Mille's S5 chamois has the familiar klinik blue top sheet with dimples for air flow and heat management. The chamois in these bibs have multiple densities of material for comfort and is slightly thicker than the S5 chamois found in other Assos bibs and shorts.

Being an Assos bib, there is a strict adherence to anatomics and body fit. Each panel is pattern cut and anatomically correct, so when stitched together, the nexus of panels create Assos's Advanced Ergonomic Pattern Design (AEPD). The FI.Mille mimics the body while in the cycling position to create a second skin-like fit and feel. Simply put, these bibs are a product that are designed to fit while pedaling.

Included with the FI.Mille S5 bib shorts is a small tub of Assos chamois creme and a vented wash bag. These bibs are available in black only, select your size.

See where this garment fits into the synergistic Assos Layering System


  • Highly elastic and wicking A430 fabric
  • S5 Mille dimpled chamois
  • Standard leg length
  • Vented rear mesh upper
  • Perforated front upper/suspenders
  • AEPD II anatomic fit
  • Silicone dot leg grippers
  • Includes wash bag and chamois creme
Reg Price $269.99
Item #: 841074