The layer that makes every other layer work better.
A good base layer is the foundation of a comfortable ride. Our sleeveless cycling base layers are designed to wick moisture, improve airflow, and regulate temperature so you can focus on the road ahead — not what you're wearing. Made for women in sizes 6 to 24, ethically made in Australia.
Moisture-wicking
Moves sweat away and dries fast
Sleeveless design
Maximum airflow for warm-weather riding
Sizes 6–24
Designed for real women's bodies
Ethically made in Australia
Quality you can feel good about
What Is a Cycling Base Layer and Do I Need One?
A cycling base layer is a lightweight, moisture-wicking layer worn under your jersey to help regulate body temperature and manage sweat. It creates a breathable barrier that keeps you cool in summer, warm in winter, and comfortable all ride long.
Do you need one? If you ride regularly — especially in changing weather — then yes, a base layer can make a big difference. At Birds on Bikes, ours are soft, stretchy, and ethically made for women who want performance without compromising on comfort or style.
How should a cycling base layer fit?
A cycling base layer should fit close to the skin — snug but not restrictive. This slim fit allows the fabric to efficiently wick sweat, regulate temperature, and layer smoothly under your jersey without bunching or riding up.
At Birds on Bikes, our base layers are made with soft, stretchy fabrics that move with you and feel comfortable all day long. With inclusive sizing from 6 to 24, you can find a fit that supports your ride — not squeezes it.
Are base layers good for winter cycling?
Yes — a cycling base layer is one of the best ways to stay warm on winter rides. It acts as a thermal barrier, trapping body heat while still allowing sweat to escape. The result? You stay dry, warm, and comfortable, even in cold or windy conditions.
Birds on Bikes base layers are made from moisture-wicking, breathable fabrics, designed to layer easily under your jersey or jacket without bulk. They’re a winter essential for women who want comfort, movement, and warmth on every ride.
Looking for women's cycling base layers that actually work? Birds on Bikes makes sleeveless cycling base layers for women in sizes 6 to 24, designed to manage moisture, improve airflow, and keep you comfortable from the first kilometre to the last.
A quality base layer does more than just sit under your jersey — it regulates temperature, reduces chafing, and keeps you dry when the effort adds up. Our base layers are made from technical performance fabrics including sustainable ECONYL® regenerated nylon, so you get real performance with a more considered approach to cycling apparel.
Worn under a jersey or vest, or on their own on warmer days, our sleeveless base layers are versatile enough for commuting, training, and everything in between. Ethically made in Australia, in inclusive sizes 6 to 24.
