Castelli Core Seamless Short Sleeve Mens Cycling Base Layer - Black BackInStock-11-03-2026 outer bearing type - Enduro

outer bearing type - Enduro cartridge bearing

Rally XC200 pedals

Genius Carbon HMF-Alloy Frame

Cropped body length with dropped shoulder hem for a more relaxed fit

Designed by Sébastien Chaigneau

Castelli Core Seamless Short Sleeve Mens Cycling Base Layer - Black BackInStock-11-03-2026 outer bearing type - EnduroStay completely focused when riding in mild to warm conditions. The Core Seamless Short Sleeve Base Layer has a totally seamless design, so there will be no niggling discomforts, even under race fit, aero jerseys. The base layer is made from a mix of polyester and polypropylene to create an exceptionally stretchy fit, so that your freedom of movement will be unencumbered. The blend of yarns is also soft to the touch, warm, and high wicking for when