SPORTLINE AERO SOCKS heelkit Please note the CX400 can

Please note the CX400 can not be heat molded

It takes one of our favorite cycling shoes to a whole new level of comfort

Not compatible with Sport Last models in sizes 36-38

2 replacement CS1 Laces

SPORTLINE AERO SOCKS heelkit Please note the CX400 canHigh performance ankle length socks made with Aero Sock technology for the ultimate aerodynamic advantage. The cuff also uses 82% high speed polyester, 18% elastane, and an accordion style weave, creating a breathable and very technical sock that won't slide down the leg. The foot is produced with 80% polyamide, 20% elastane, and Q SKIN fiber, ensuring odor control, freshness, and durability. With a reinforced heel and toe area for added strength,