The santini eroica tweed technical jacket captures the true essence of cycling part of the official eroica merchandise that has been designed to capture the history of cycling the wool main body construction with polyamide fabric on the sleeves and back offers you a durable and comfortable fit this santini jacket also features a front pocket with zip closure and a knit collar santini eroica tweed technical jacket features wool front and shoulders in tweed fabric with membrane polyamide s