

Thermal jerseys are best when they’re versatile, that’s why Castelli keeps the Sinergia 2 streamlined for the perfect layering when things get cold. It offers just enough thermal warmth for chilled spring starts and cool fall evenings, but a sleek fit that’s ideal under a jacket when the mercury dips way down.
Price: $135.00 from Backcountry
| Merchant | Price | |
|---|---|---|
| $135.00 | Visit Store |
Thermal jerseys are best when they’re versatile, that’s why Castelli keeps the Sinergia 2 streamlined for the perfect layering when things get cold. It offers just enough thermal warmth for chilled spring starts and cool fall evenings, but a sleek...
Thermal jerseys are best when they’re versatile, that’s why Castelli keeps the Sinergia 2 streamlined for the perfect layering when things get cold. It offers just enough thermal warmth for chilled spring starts and cool fall evenings, but a sleek...
The Castelli Fly Long-Sleeve Jersey is a lightweight thermal that we like for rides in the 50s and 60s. The Fly T-SL fabric is super-light and stretchy and brushed to add a little warmth for chilly mornings and spring and fall rides when we're riding...