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Castelli Free AR 4.0 Jersey FZ

Castelli Free AR 4.0 Jersey FZ
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• Saves approximately 12 watts at 25 mph compared to a normal race-fit jersey
• Velocity dry fabric on front and shoulders for improved moisture transfer and faster drying
• Full-length YKK Camlock zipper
• Nervato fabric at arm holes for improved aerodynamics
• Silicone gripper elastic at waist
• Giro3 arm elastic for flat, aero fit
• Reflective inserts on back