Free Aero Race 4 Bib Shorts - Women's

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.
Important — Italian sizing
Castelli is an Italian brand and its garments run small compared to North American standards. Plan on one to two sizes up from your usual size. Don't go by the letter on the label — go by the measurements in the table below. This is normal: the brand's range goes up to 5XL.
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 Free Aero Race S Bibshorts for women are designed to meet the demands of performance-oriented cyclists, both in training and competition. The Forza2 stretch fabric hugs the body without excessive compression and moves naturally with the pedaling motion. Lightweight, breathable bib straps provide reliable support, while the Progetto X2 Air Seamless Donna chamois ensures lasting comfort over long distances.
Main features
-
Aerodynamic Forza2 stretch fabric for optimal comfort
-
3% reduction in drag coefficient to improve performance
-
Minimalist straps in striped mesh, lightweight and breathable
-
Silicone inserts at the leg ends for a precise fit
-
Progetto X2 Air Seamless Donna chamois for long rides
-
Integrated back pocket for storage
-
Integrated UPF 50+ sun protection
Materials
-
Main fabric: 65% polyamide / 35% elastane
-
Straps: 77% polyester / 23% elastane
Strengths
✔️ High comfort thanks to the stretchy and breathable Forza2 fabric
✔️ Optimized aerodynamics with a measurable reduction in the CdA
✔️ Reliable support thanks to the silicone leg bands
✔️ Seamless chamois for long-lasting comfort
✔️ Lightweight straps that promote ventilation during exercise
✔️ UPF 50+ protection against sun exposure
✔️ Convenient back pocket to keep essentials within easy reach