Product Details

Description
The perfect foundation thermal jersey for fall and spring riding — and an excellent insulating layer under a jacket when temperatures drop further. The Sinergia 2 uses Castelli's Warmer high-loft fleece polyester fabric for warmth and wicking, with enough breathability for harder efforts. Reflective piping keeps you visible in low-light conditions.
Features
Specifications
• Fabric: 100% Polyester Warmer — high-loft fleece; warm, breathable, moisture-wicking
• Temperature: Fall / spring / layering under jacket in winter
• Zipper: Full-length YKK Vislon — lightweight, easy sliding
• Storage: 3 rear drop pockets
• Reflective piping: Visibility in low-light conditions
• Fit: Long-sleeve; women's-specific; thin enough to layer under a jacket
• Colorway: Ultraviolet/Purple (501)
• Note: Older inventory (last rec Nov 2025) — low units (2)
Item Number



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