When you're picking out your winter riding kit, reach for undeniable warmth and performance that doesn't compromise style. The Castelli Sfida Long-Sleeve Full-Zip Jersey for women takes into account what is most important to us cyclists, and hones in on things to create a piece that's not only great in form and function, but versatility as well. By designing the perfect fit with elevated materials Castelli captures our needs in a piece that's not only comfortable in the saddle, but eye catching as well. Stitched together using Castelli's newly engineered 3D thermal fabric, you'll find a warm embrace that keeps you comfortably warm. Perfect for cool days on its own, or frosty mornings underneath a vest or jacket, the Sfida will offer you soft, stretchy warmth. Constructed using Warmer fabric throughout its traditional panels, and Warmer X-Stretch on the sleeves, the right amount of give and flexibility is placed where it's most needed, so you won't have to constantly adjust your sleeves while in the saddle. Along the back of the jersey things are secured into place by a silicone gripper that prevents the back from riding-up and exposing skin. Above the gripper you'll find the perfect spot to stow away your winter riding essentials within 3 large pockets. When your fall ride brings flat-light and low visibility, you can count on reflective tabs sewn into the rear seams to illuminate under headlights, helping to alert motorists to your whereabouts.