Heartbreak Midweight Crew Performance Running Socks (Striped Collection) 2' 87% Polyester

87% Polyester

Full-length slotted carbon fiber plate

So let the AeroSwift tights take you across the finish line

in the form of glucose or maltodextrin (glucose polymer)

Stability | Medium Cushion | 9mm Heel Drop

Heartbreak Midweight Crew Performance Running Socks (Striped Collection) 2' 87% PolyesterRun Hard, Risk Heartbreak. Represent Heartbreak wherever you go. The line that "breaks" the heart is the elevation profile of the world famous Heartbreak Hill. Designed by runners, made for runners. Train, run long distances, or take a walk with no worries about your socks causing any discomfort. Product Details: 200 needle count Heel tab for no slip Seamless toe Moisture managing Y heel construction 80% Dry Release, 17% Nylon, 3% Spandex S M L XL US