"What Our Gearhead® Experts Are Saying: ""The Siena Jersey is super comfortable and stylish—it nails that balance between performance and casual. The fabric breathes really well and the fit works for a variety of rides. It’s perfect for days when I want to ride hard but still feel relaxed."" A nod to Tuscany’s timeless beauty and the passion behind the Giro d’Italia, the Castelli Siena Jersey blends heritage aesthetics with performance-focused comfort. Designed with lightweight, breathable materials and a neutral fit, it’s the jersey we reach for on warm-weather rides that start slow and end with a little sprint. The soft stretch fabric moves with us in and out of the saddle, while the raw-cut sleeves offer a clean feel and next-to-skin finish. Three rear pockets hold mid-ride essentials, and the full-length zipper gives us complete control over ventilation when the heat kicks up. Whether it’s a café cruise or a weekend climb, the Siena keeps us rolling in Giro-inspired comfort."
Price: $77.99 from Backcountry
| Merchant | Price | |
|---|---|---|
| $77.99 | Visit Store |
"What Our Gearhead® Experts Are Saying: ""This jersey has that timeless Giro look, but the performance is pure Castelli. The recycled fabric is soft, breathable, and stretchy, and the neutral fit makes it super comfortable for longer rides. It’s the...
"What Our Gearhead® Experts Are Saying: ""This jersey is smooth, fast, and ridiculously comfortable. The Air_O Stretch fabric hugs just right without feeling tight, and I love the zip pocket for keys or cards. It’s my go-to for warm rides or when I...
"What Our Gearhead® Experts Are Saying: ""This jersey is smooth, fast, and ridiculously comfortable. The Air_O Stretch fabric hugs just right without feeling tight, and I love the zip pocket for keys or cards. It’s my go-to for warm rides or when I...