Castelli Prosecco Wind Short Sleeve Base Layer Black Size:XL It features an ultra-bright red

It features an ultra-bright red LED that can last up to 53 hours in flash mode

the unique NFC Medical ID stores vital medical information and emergency contacts within the helmet

This 9-speed cassette is crafted with precision and durability

and extra layers

Castelli Prosecco Wind Short Sleeve Base Layer Black Size:XL It features an ultra-bright redThe Castelli Prosecco Wind Short Sleeve Base Layer is designed to keep you warm and shield your core from the wind during challenging rides. It combines the breathable properties of the Prosecco base layer with a GORE TEX INFINIUM windproof membrane on the front panel for enhanced protection. Notable features include a mid height comfortable collar and a flat finish bottom hem for an excellent fit.