MILLE GT Jersey S11

Assos MILLE GT Jersey S11

The Assos MILLE GT Jersey S11 is the lightest and most breathable jersey in the GT line, developed for long rides in hot Swiss summer weather. The torso uses the new AirCell material for maximum air circulation, while the sleeves made from Push Pull with raw-edge finish ensure a friction-free fit. Compared to the MILLE GT C2 EVO, the S11 is around 25% lighter while staying true to the comfort-oriented regularFit. The torso offers UPF 15, the sleeves UPF 50+, which is why Assos recommends sun protection for the body area. Combined, this creates a jersey with race DNA that's still tuned for endurance comfort. Sizes are available from XS to 3XL and there are several seasonal colour variants.

• New AirCell skin material with open hexagon pattern for strong cooling and moisture management.
• Push Pull sleeves with UPF 50+ and Raw-Cut edges for aerodynamic, slip-free finish.
• Three Triple Ramp Pockets with elastic "lids" for secure storage without sagging.
• PILtec Plug‑In hem gripper with micro-dot silicone for stable hold, even when wet.
• regularFit with set-in sleeves for freedom of movement and stable shoulder areas.
• Around 25% lighter than the MILLE GT C2 EVO; recommended layering with Summer Skin Layer.

Technical Details and Features

The focus is on AirCell, an ultra-light circular knit fabric with open hexagon mesh that provides noticeable cooling, dries quickly and feels almost like a racing jersey. Its Bi‑Stretch properties wrap around the upper body with horizontal elasticity and provide vertical support, so the jersey remains shape-stable even with filled pockets. The back pockets are additionally lined with Stabilizer V11, which increases breathability and prevents sagging. The Push Pull sleeves deliver a muscle-hugging fit, very low weight and UPF 50+; the torso achieves UPF 15. The PILtec Plug‑In hem attached at the back with micro-dot silicone reliably secures the jersey, even when it gets wet. Overall, this creates a mix of polyester, polyamide and elastane that combines lightness, stretch and durability.

Applications and Benefits

The MILLE GT Jersey S11 shows its strengths on long road bike rides in high summer – from the flat Mittelland to steep Alpine passes. Thanks to its high air permeability, it feels pleasantly dry even in heat, and the regularFit remains comfortable without flapping. For maximum benefit, combine it in summer with a Skin Layer; due to the UPF 15 on the torso, additional sunscreen under the jersey is recommended. Practical for everyday use: three generous back pockets with securing Triple Ramp "lids". Many testers praise the wearing comfort and construction quality; some note that there's no separate valuables zip – those wanting a zip pocket should consider this.

Fit, Variants & Additional Notes

The set-in sleeves improve arm freedom and stabilise the shoulder areas, which is particularly noticeable on long distances. Assos offers the jersey in XS–3XL and depending on the season in several colour variants, making it easy to put together a coordinated summer set for the Swiss market. The S11 is designed for Summer 1/3 Layering and harmonises accordingly with light base layers and GT shorts. Test experience shows a weight of approximately 118g in size M, which underlines the lightweight focus. As retailers, we also point out the 2-year manufacturer warranty; Assos supplements this with a crash policy. Those who frequently ride in blazing sun benefit from the UPF 50+ sleeves, but should think about UV protection for the torso.