Quick answer

Wear a short sleeve base layer next to your skin to manage sweat and regulate temperature. In warm weather, it can be your only layer or worn under a lightweight jersey for extra moisture control.

Why a short sleeve base layer works for warm weather

A short sleeve base layer is designed to be worn against the skin. Its primary job is moisture management, not insulation. In warm conditions, a breathable, moisture wicking fabric pulls sweat away from your body and spreads it across a larger surface area so it evaporates faster. This evaporative cooling effect helps keep your core temperature stable, even when the sun is high or you're pushing hard on a climb.

When to wear it alone vs. under a jersey

On very hot days (above 30°C / 86°F), a short sleeve base layer worn alone can be the most comfortable option. It provides sun protection, wicks sweat, and dries quickly. On slightly cooler days or when you want extra sun protection, wear it under a lightweight, well-ventilated summer jersey. The base layer will continue to manage moisture while the jersey adds a layer of UV defense and a bit of wind protection.

How to layer a short sleeve base layer step by step

  1. Start with a clean, dry base layer: Put the short sleeve base layer directly against your skin. Make sure it fits snugly but not tightly—there should be no excess fabric that can bunch up under your jersey. A close fit ensures the fabric stays in contact with your skin for effective moisture wicking. Common mistake: wearing a base layer that is too loose, which reduces its ability to wick moisture.
  2. Choose your outer layer based on temperature: For very hot days (30°C/86°F and above), wear the base layer alone. For moderate warm weather (20-30°C / 68-86°F), add a lightweight, breathable short sleeve jersey. The jersey should be loose enough to allow airflow but not so loose that it flaps in the wind. Checkpoint: If you start to feel clammy, the outer layer may be too heavy or not breathable enough.
  3. Adjust for changing conditions during the ride: If the temperature drops or you encounter a headwind, add a lightweight windproof gilet over your base layer and jersey. If you get too hot, unzip the jersey or remove the gilet. The base layer stays on to manage sweat. Common mistake: adding a heavy jacket over a short sleeve base layer, which traps heat and moisture, leading to overheating.

Product facts

  • Liliane: The Liliane is an ultra-light base layer for hot conditions with a mesh structure for rapid moisture evaporation. This means sweat is moved away from your skin and dried quickly, helping you stay dry and cool on warm rides.

    Liliane

    Liliane