Men's Climber's 3.1 Jersey
- 1 in stock
- Backordered, shipping soon

The measurements presented are for guidance only and are based on body measurements. Actual fit may vary depending on garment cut and desired style. For optimal choice, trying on is the best option.
Castelli uses Italian/European sizing, which is generally more fitted than North American standards. If you are between two sizes or prefer a looser fit, we recommend choosing the next size up.
Tops - Men
| Size | Chest (cm) | Waist (cm) |
|---|---|---|
| XS | 86 | 76 |
| S | 94 | 80 |
| M | 96 | 84 |
| L | 104 | 88 |
| XL | 108 | 93 |
| XXL | 110 | 98 |
| XXXL | 115 | 103 |
Tops - Women
| Size | Chest (cm) | Waist (cm) | Hips (cm) |
|---|---|---|---|
| XS | 79 | 63 | 87 |
| S | 84 | 68 | 92 |
| M | 89 | 73 | 97 |
| L | 94 | 78 | 102 |
| XL | 99 | 83 | 107 |
Bottoms - Men
| Size | Waist (cm) | Hips (cm) | Inseam – Regular (cm) |
|---|---|---|---|
| XS | 90 | 81 | |
| S | 94 | 82 | |
| M | 98 | 83 | |
| L | 102 | 84 | |
| XL | 107 | 85 | |
| XXL | 112 | 86 | |
| XXXL | 117 | 87 |
Bottoms - Women
| Size | Waist (cm) | Hips (cm) | Inseam – Regular (cm) |
|---|---|---|---|
| XS | 63 | 87 | 75 |
| S | 68 | 92 | 76 |
| M | 73 | 97 | 77 |
| L | 78 | 102 | 78 |
| XL | 83 | 107 | 79 |
All prices are displayed including taxes.
The amount shown is the final price you pay at checkout (shipping fees may apply).
Free shipping on all orders of $200 or more, in Canada and the United States.
Orders ship within 48 hours.
Enjoy 14-day returns after delivery.
Items must be new, unworn, and with original tags attached.
All prices are displayed including taxes.
The amount shown is the final price you pay at checkout (shipping fees may apply).
Free shipping on all orders of $200 or more, in Canada and the United States.
Orders ship within 48 hours.
Enjoy 14-day returns after delivery.
Items must be new, unworn, and with original tags attached.
All prices are displayed including taxes.
The amount shown is the final price you pay at checkout (shipping fees may apply).
Free shipping on all orders of $200 or more, in Canada and the United States.
Orders ship within 48 hours.
Enjoy 14-day returns after delivery.
Items must be new, unworn, and with original tags attached.
Why this price?
- Samples and overstock from major brands
- New products
- Limited quantities – no restock
The Castelli Climber's 3.1 men's jersey is designed to offer maximum ventilation during the hottest summer rides. Developed for cyclists seeking an ultralight jersey, it combines highly breathable mesh fabrics with an aerodynamic fit to keep the body cool without compromising performance. It is particularly appreciated for long climbs, heatwave days, and intensive training sessions.
Features
• Aerodynamic fit inspired by racing apparel
• Ultralight 3D mesh fabrics promoting maximum airflow
• Stretch raw-cut sleeves for a precise fit and excellent comfort
• Full-length YKK® Vislon zipper for easy ventilation
• Three rear pockets offering stable and accessible storage
• Elastic grip band at the waist to prevent the jersey from riding up
• Designed for very hot temperatures, from approximately 22 to 40 °C
Materials
• Main body: 93% polyester, 7% elastane
• Sleeves: 81% polyester, 19% elastane
• Mesh panels: 100% polyester
• Hem: 78% polyester, 22% elastane
Highlights
✓ Ultra-breathable for hot weather days
✓ Extremely lightweight construction promoting moisture wicking
✓ Performance fit close to the body limiting wind resistance
✓ Quick-drying for lasting comfort
✓ Ideal for long climbs and intensive summer rides
✓ Optimal freedom of movement thanks to stretchy fabrics