The Equipe RS S11 is Assos's flagship summer jersey, and it's the one I reach for when the forecast says hot and the ride says fast. This is the lightest, most aerodynamically considered jersey in the Equipe RS family, built around a torso fabric called Type.439 Aero Lite — a textured weave that sits close to the skin without grabbing it. The fit is race cut, meaning if you're between sizes and want anything less than skin-tight, size up. On the bike, it disappears.

What sets the S11 apart from previous Equipe RS jerseys is how Assos rebuilt the panel structure around aerodynamic flow rather than just lightness. The sleeves use a different fabric than the torso, with raw-cut hems and a textured surface engineered to manage airflow at speed. The collar sits low and flat, the front zipper is a featherweight YKK with a garage at the top so it doesn't claw at your neck on long climbs, and the whole jersey weighs almost nothing in the hand. It feels expensive because it is, but it also performs at a level that justifies the spend if you actually race or ride hard in summer heat.

Three rear pockets handle the usual load — phone, food, layers — and there's a small zippered valuables pocket for cards and keys. The pocket openings are reinforced so they don't sag when fully loaded, which has been an issue on lighter race jerseys from other brands. A silicone gripper at the hem holds position without pinching, and the cut is long enough in back to cover you in the drops without bunching when you're upright. Reflective accents are minimal but present.... Read More