A wind-proof jacket that protects your core and keeps you warm in blustery weather. A windproof jacket that protects your core and keeps you warm in blustery weather. Your second wind has arrived Your second wind has arrived The Circuit Wind Cycling Jacket keeps your core nice and warm so you can ride stronger and longer – even when the winds work against you. A lightweight and breathable design with tons of cycling-specific features make this jacket a staple for riders who don't let a little wind keep them out of the saddle. The Circuit Wind Cycling Jacket keeps your core nice and warm so you can ride stronger and longer—even when the winds work against you. A lightweight and breathable design with tons of cycling-specific features make this jacket a staple for riders who don't let a little wind keep them out of the saddle. - Windshell fabric is lightweight and keeps the core covered o...