Slippery roads, freezing temperatures and diminishing daylight require traction with unmatched fit, performance and comfort. Redesigned from the ground up, NANOspikes now offer improved comfort, improved grip and better fit on a wider variety of running shoes. So you have the freedom to continue moving with confidence on icy streets and sidewalks, all winter long..
Ten concave tungsten carbide tips: A concave tip profile dramatically increases surface pressure for instant engagement on ice, while tungsten carbide construction resists abrasion up to 100 times more than steel on bare pavement.
New center plate ridges and directional lug design