Castelli's Aero Speed sock offers a snug-fitting, aerodynamic design with a breathable construction for optimal comfort and performance.
- Ultimate Aerodynamic speed.
- Meryl® Skinlife mesh sock portion.
- Lined Lycra® leg portion extends to mid calf.
- Silicone band at top keeps it in place.
- Great for TTs, criteriums, or road or track races.
- Claimed weight: 44g.