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Assos Equipe RS Alleycat Shell Jacket S11


Regular price $31500

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The Assos Equipe RS Alleycat Shell Jacket S11 typically ships in 5-8 business days

Assos   |   SKU: 11.32.438.1C.XS  |   Option: Kosimo Granit, XS

Pickup available at RA Cycles - Brooklyn

Usually ready in 24 hours


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Assos Equipe RS Alleycat Shell Jacket S11 Info

The Assos Equipe RS Alleycat Shell Jacket S11 is Assos' race-day weather shell, built to pack down to the size of a fist and disappear into a jersey pocket when the sun comes out. It's cut in the brand's AEPD 11 racingFit, a second-skin, aerodynamic silhouette developed with WorldTour feedback that wraps the body in 360-degree compression and stability rather than flapping in the wind like a looser-cut shell jacket.

Weather protection comes from Diamond ULTRA, a two-layer softshell that's windproof, water-repellent, and breathable, engineered with body-mapping four-way stretch across the chest, shoulders, and upper back so the aerodynamic fit doesn't come at the cost of movement. The lower sleeves switch to 575CX for extra breathability and a closer second-skin feel, while a band of ultralight woven MIG textile wraps the stomach and lower back to shed water and cut volume and weight exactly where a rider needs to stay light and unrestricted in an aggressive position.

A double-slide zipper lets you vent from the top or the bottom without fully opening the jacket, and an eco-conscious DWR treatment sheds precipitation and road spray without the environmental cost of older water-repellent finishes. Reflective details add visibility in low-light, overcast riding. Assos built the Alleycat S11 for the gaps between seasons — spring and fall rides where conditions swing mid-ride — or as a final protective outer layer over a winter kit. It's sized XS through 2XL in Kosimo Granit.

The RA Perspective

The Alleycat S11 earns its keep by doing one thing extremely well: packing down small enough to disappear in a pocket, then actually blocking wind and rain when you need it. That's the whole point of a shell like this, and Assos' two-layer Diamond ULTRA fabric delivers on it without feeling like a plastic bag over your kit.

Worth knowing going in — this is a shell, not an insulated jacket. There's no fleece lining or heavy insulation here, so on its own it's a wind and rain layer, not a standalone piece for genuinely cold days. Layer it over a base layer and midweight jersey for winter riding, and it does the job Assos designed it for: variable spring and fall conditions, or a final defensive layer when temperatures drop late in a ride.

The AEPD 11 racingFit is genuinely race-cut and aerodynamic, which we appreciate on hard efforts, but it also means this isn't a relax-fit touring jacket. Riders who prefer more room to layer heavily underneath should size up.

We'd point this at riders doing hard training or racing through unpredictable weather windows — the kind of ride where you might need a shell for twenty minutes and want it gone the rest of the time.

Assos Equipe RS Alleycat Shell Jacket S11 Size Chart

ASSOS Men's Jerseys, Jackets, and Shells Sizing

Size
Chest (cm)
XS
88–91
S
92–95
M
96–100
L
101–106
XL
107–113
2XL
114–121
3XL
122–129

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