Castelli Avanti 12 Sock

The design implies mountains and the zone when we feel feather light climbing them, but more Aero!
Engineered for aero efficiency at 30 to 55 km/h

Castelli's renowned top-of-the-line Progetto X2 Air Seamless seat pad in an otherwise traditional short.

Ready to move up to a better cool-weather jersey? The Tutto Nano RoS Jersey features a number of upgrades compared to what you've been using.