Castelli Size Chart Castelli Size Chart
The following sizing information is taken from the current official Castelli size chart. For the best fit, Castelli recommends measuring directly on the body or over underwear. If your measurements fall between two sizes, Castelli recommends choosing the larger size.
Men – Tops
Men – Bottoms and Bib Shorts
Men – Gloves
Men – Socks
Men – Shoe Covers
Women – Tops
Women – Bottoms and Bib Shorts
Women – Sports Bras
Women – Gloves
Women – Socks
Women – Shoe Covers
Kids
Kids note: The official Castelli kids chart does not show a hand-circumference value for 6Y or 14Y. These fields have therefore deliberately been left blank.
How to Measure
- Chest: measure horizontally under the arms around the fullest part of the chest.
- Waist: measure horizontally around the natural waistline, keeping the tape slightly loose.
- Hips: measure horizontally around the fullest part of the hips with feet together.
- Inside leg: measure a well-fitting pair of trousers from the crotch seam to the ankle.
- Hand circumference: measure around the hand using a tape measure or a piece of string and a ruler.
- Bra: measure bust at the fullest point and underbust directly below the bust.
Fit: Castelli specialises in performance cycling apparel and many garments have a close-to-body fit. The manufacturer's general rule is to choose the larger size when your measurements fall between two sizes. Product-specific fit guidance always takes priority.
Source: official Castelli Cycling Size Chart, current manufacturer website. Status 08/2026.
