Backcountry
Castelli Aero Race Pro 20 Sock Black, S/M
- BackcountryBrand site$30Buy
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From Backcountry
What Our Gearhead® Experts Are Saying:"I wear the Aero Race Pro 20 Sock on race days and hard training rides when every watt matters. The aero ribs are subtle but effective, and the 20cm cuff gives that sleek, pro-level look. It’s light, breathable, and fits snug without cutting off circulation. It’s my go-to when speed and feel both matter."When we’re dialed in for a fast ride or a big day on the bike, we don’t overlook the details—including our socks. The Castelli Aero Race Pro 20 Sock brings aerodynamic performance and everyday comfort to the most overlooked piece of kit.
