Rapha Men's Core Jersey Size:M They help with the assembly

They help with the assembly of our Cam-Lock Attachment System

Hard shell and FlexMesh Pro ventilated armour

composition : 88% recycled polyester 12% elastane

As its name might suggest

Rapha Men's Core Jersey Size:M They help with the assemblyUpdated version of our best selling jersey that sets the standard in everyday performance and comfort. Made with 100% recycled yarns. F Versatile design Built for everyday use training, riding and commuting Updated construction Set in sleeves for on bike comfort, debossed stripe detailing to armband Finishing details Revised pocket finish, new striped silicone at the hem and a brand new lightweight shaped collar to reduce irritation Superior