Details
For road racing or when you can’t wear a Fast Feet TT Shoecover, this sock saves watts.
– Castelli’s Fast Feet project — for riding in warm conditions
– The foot portion is based on the Castelli Rosso Corsa Sock for in-shoe comfort
– Polyurethane grip strip at top to keep sock in place
– Leg portion constructed with engineered grooved Lycra® to help detach airflow
Sizing
| Size | US | EU |
|---|---|---|
| Small/Medium | 4 -7 | 36 – 39 |
| Large/X-Large | 8 – 10 | 40 – 43 |
| XX-Large | 11 – 14 | 44 – 47 |
Part Numbers
| Option | UPC | MPN | Store SKU |
|---|---|---|---|
| Black / Small/Medium | 8050949873618 | R4523029010-2 | |
| White / Small/Medium | 8050949873595 | R4523029001-2 | |
| White / Large/X-Large | 8050949845905 | R4523029001-4 | |
| Black / Large/X-Large | 8050949873625 | R4523029010-4 | |
| Black / XX-Large | 8050949873632 | R4523029010-6 | 210000197176 |
| White / XX-Large | 8050949873601 | R4523029001-6 |
