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Assos Mille GT EVO Short Sleeve Jersey S11 Info

The Assos Mille GT EVO Short Sleeve Jersey S11 is the evolution of one of the most trusted jerseys in Assos's lineup. The GT Jersey has been the go-to for endurance riders who want performance-level construction without the uncompromising demands of race-cut kit — and the EVO update refines that formula with lighter sleeves, cleaner pocket architecture, and fresh colorways, while keeping everything that made the original worth wearing day after day.

The body is built from AirCell — an ultralight circular knit with an open hexagon pattern that prioritizes cooling airflow above everything else. The bistretch construction wraps close to the body without restricting movement, and engineered odorControl keeps the jersey fresh through back-to-back efforts. The EVO update introduces Eclipse sleeves: a new, featherlight warp knit with ultrasoft skin feel and UPF 50+ protection. The difference between the body and sleeve fabrics is intentional — AirCell handles the structural zones, while Eclipse wraps the arms in something that barely registers against the skin. Assos notes the GT S11 EVO is light enough that they recommend sunscreen beneath the body panels on exposed rides.

At the back, the Stabilizer V11 panel keeps pockets in shape under load — a practical detail that matters when you're carrying food, a phone, and a gilet for three or four hours. The Triple Ramp Pocket design uses flexible fabric panels as lids that secure and stabilize contents rather than leaving them to shift around. The sleeves use Raw Cut construction borrowed from Assos's Racing Series — a lie-flat finish at the sleeve hem that produces an ultra-low profile and eliminates the bunching that undermines aerodynamics at the upper arm.

The regularFit is body-contoured with a reduced seam count, sitting close without demanding an aggressive position to feel right. It's the fit that scales well across a full season of riding — road, gravel, long days, early-morning training blocks. The jersey packs down to nearly nothing, which makes it the natural choice for a back-pocket layer on variable weather days.

Specs at a Glance

Body fabric: AirCell — ultralight circular knit, open hexagon pattern, bistretch, odorControl
Sleeve fabric: Eclipse — lightweight warp knit, UPF 50+, ultrasoft skin feel
Back panel: Stabilizer V11
Sleeves: Raw Cut construction
Pockets: Triple Ramp Pockets with fabric lids
Fit: Regular
Breathability: 5/5
Quick Drying: 5/5
Packability: 5/5
Temperature range: >69.8°F
Colors: Blackseries, Deep Petrol, Golden Yellow, Ground Brown, Blossom Pink, Whiteseries, Edge Green
Sizes: XS–3XL

Design Benefits

AirCell hexagon-pattern body — open-knit construction channels airflow and dumps heat efficiently through long efforts in warm conditions
Eclipse sleeves with UPF 50+ — impossibly light warp knit protects against sun exposure while adding zero perceptible weight or restriction
Raw Cut sleeve construction — lie-flat finish borrowed from the Racing Series eliminates fabric bunching at the upper arm for a cleaner aerodynamic profile
Triple Ramp Pockets with Stabilizer V11 — secure pocket lids and a structured back panel keep contents organized and accessible on long rides
regularFit with reduced seams — body-contoured shaping that works across terrain and intensity levels without friction or layering bulk

The Mille GT EVO S11 is the jersey for riders who put in consistent volume and want kit that keeps pace with them — comfortable enough for the long ride, refined enough to not feel like a compromise.

The RA Perspective

The GT Jersey has been one of our most consistent sellers for years, and the EVO update gives us good reason to refresh it with customers. The changes are focused — lighter sleeves, cleaner pockets, updated colorways — rather than a wholesale redesign, which is the right call when you have a product that already works.

The AirCell body fabric is the same as the previous generation, and that's a feature, not an oversight. It's genuinely one of the most breathable jersey fabrics we stock. The hexagon knit structure creates real airflow rather than just claiming breathability on spec sheets. The EVO's meaningful addition is the Eclipse sleeve fabric — it's noticeably softer and lighter than the original, and the UPF 50+ coverage is practical for rides with sustained sun exposure. The fact that Assos recommends sunscreen under the body panels tells you something about how light this thing is.

Raw Cut sleeves are a detail that experienced riders pick up on quickly. The lie-flat hem at the sleeve cuff eliminates the subtle bunching that builds up over hours of riding — it's one of those construction details that sounds minor until you've felt the difference between jerseys that do it right and those that don't.

At $170 the Mille GT EVO lands exactly where you'd expect a Swiss-engineered, feature-dense daily jersey to sit. It's not a budget pick, but for riders who live in their kit from spring through fall, the quality-to-wear ratio is strong. The seven colorway options also give it more shelf life in a kit rotation than most single-colorway jerseys.