Castelli Core Seamless Base Layer SS 2025 short-sleeved cycling base layer

When the temperature isn't too hot, cyclists always need a light layer under their jersey to avoid catching a chill. In addition to keeping you warm, this Castelli Core Seamless Base Layer SS will be comfortable on long rides, acting like a second skin around your torso. This lightweight, short-sleeved cycling base layer guarantees excellent moisture management. With it, you'll stay cool and dry in all conditions, whether it's hot or cold. The fabric of this base layer is soft. Its wide neckline allows cyclists to wear a short-sleeved jersey over it. With all these advantages, this Castelli Core Seamless Base Layer SS will become your best friend for all your rides up to 20 degrees.

Technical features:

- Size: S/M, L/X, XXL - Colour: grey - Weight: 45g - Temperature: 8-20 degrees - Fabric composition: 84% polyester, 16% polypropylene- Soft, lightweight and warm fabric
- Excellent moisture management
- Wide neck opening

Castelli size guide