Assos Mille GT Shell Jacket S11

The Assos Mille GT Shell Jacket S11 is a packable outer layer built for road cyclists who need reliable weather protection without committing to a full winter jacket. It sits in the Mille GT line as a versatile, season-spanning shell — equally at home stuffed into a jersey pocket on a warm morning descent as it is layered over a thermal bib on a raw autumn ride. The headline here is adaptability: genuine windproof and water-repellent coverage in a cut that doesn't fight you on the bike.

Assos built the S11 version around an updated Hurricane textile treated with an ECO DWR finish — designed to shed rain and road spray while remaining breathable enough that you're not cooking inside on hard efforts. The regularFit cut uses elastic fabrics that move with you and sit close enough to eliminate the sail effect at speed, without the compression of a race fit. Sens WR cuff inserts create a clean seal at the wrists whether you're running gloves or not, and an extended rear hem and higher collar add coverage where wind and rain tend to find their way in. Reflective detailing on the shoulders and lower back keeps you visible when the light drops or the weather closes in.

Assos Mille GT Shell Jacket S11 Specs at a Glance

• Hurricane textile with ECO DWR water-repellent treatment
• Windproof and breathable construction
• Packable design — stows in a jersey pocket
• regularFit with elastic fabrics for a low-bulk, movement-friendly cut
• Sens WR cuff inserts for a sealed wrist fit
• Extended rear hem and raised collar for added coverage
• Reflective elements on shoulders and lower back
• Available in Blackseries and Foundation Green

Design Benefits

1. Weather-ready without the weight: The packable shell format means you can carry the Mille GT on rides where weather is uncertain — tuck it away on the climb and pull it out on the descent or when a front moves through, without a penalty to pockets or comfort.
2. A fit that works with your kit: The regularFit cut is engineered to layer cleanly over base layers and midlayers without bunching or restricting movement — the elastic construction keeps things snug enough to stay aerodynamic while still giving you the room to push hard in the saddle.
3. Visibility and coverage built in: The reflective detailing isn't an afterthought — positioned at the shoulders and lower back, it targets the angles most likely to catch a car's headlights, while the extended hem and Sens WR cuffs close off the gaps that longer rides in wet conditions tend to exploit.