SPORTLINE AERO SOCKS heelkit Lake’s Winter Insole is a

Lake’s Winter Insole is a layered package that creates an insulating barrier

Not compatible with Sport Last models in sizes 36-38

The TX224 pairs this fit-first design with triathlon-specific performance features

a balanced shape with slightly more room in the forefoot for a comfortable

SPORTLINE AERO SOCKS heelkit Lake’s Winter Insole is aHigh 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,