Castelli Men's Entrata Thermal Jersey Size:M FX+ 1 comes equipped with

FX+ 1 comes equipped with a bright

43" strap shortens to 28

It's optimized for X-Range chainrings and features Yaw technology for trim-free cage operation

The Gore WINDSTOPPER® Headband Features:

Encased inside are components meticulously calibrated to measure power

Castelli Men's Entrata Thermal Jersey Size:M FX+ 1 comes equipped withThe thermal jersey for the cyclist who prefers a jersey and vest in cool conditions instead of a light jacket. The brushed fleece fabric keeps you warm but also has enough stretch to ensure a perfect and comfortable fit. Features: Made from 100% polyester fleece for extra warmth and wicking Easy sliding YKK Vislon zipper 3 rear pockets Silicone gripper elastic at waist Large reflective panel on pocket Weight: 260 g Temperature: 12C 18C 54F 64F Fit: