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Using Stratus+ 2-layer, the Castelli Prologo 4 Jersey is highly breathable and wicks away moisture at a rapid rate. The full-length YKK zipper and minimalist design delivers a perfect blend of timeless styling and top-notch functionality. With mesh panels at the sides and across the back, and a temperature range of 62.6 °F - 95.0 °F (17°-35°C), the Prologo 4 is a dedicated warm weather jersey, making it your reliable go-to for mid-summer road races and training rides. The three rear pockets offer a secure place to stash nutritionals and other essentials, while the zippered key pocket features reflective tape to enhance visibility in low-light conditions. Cool, comfortable, lightweight and classically styled, the Prologo 4 is designed for the kind of weather that separates the men from the boys!
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1. On the bike, your Castelli jersey should
fit close to the skin.
2. Off the bike, your Castelli jersey might
feel tight across the chest and a little
short in front.
3. Castelli ProSecco treatment helps
perspiration evaporate quickly to keep
you cooler and drier.
4. Castelli jerseys are designed with the
sleeves articulated forward for maximum
5. Bibshorts should fit tightly enough
to support critical leg muscles through
compression without inhibiting
movement and constricting blood flow.