Seamless construction eliminates chafing for enhanced comfort during rides
Polyester and polypropylene blend wicks moisture quickly to keep you dry
Exceptional stretch and fit ensures unrestricted movement
Wide neck opening allows easy fit under low collared jerseys
Lightweight design provides warmth without bulk
Summarized by Shop
The seamless silky soft texture of the fabrics used in Castelli’s Core Seamless Short Sleeve Base Layer are exceptionally comfortable close to body. The lightweight, soft base layer insulates body heat while its stretchy materials fits snugly under a cycling jersey. To ensure an even better fit, designers made a wide neck opening so it’s