The wave-shaped anti-snow plates reduce snow compression beneath the plate to maintain the spikes’ gripping abilities.Furthermore, the ribbed structure of the plate assists with grip and the added rigidity prevents snow from entering between the shoe and the spikes.The spikes themselves are made of a super hard and abrasion resistant S55C carbon steel.Eight-points with gripping properties in four directions.This simple model can easily be attached to the boot with an elastic strap.Lightweight and compact for convenient transport.Stuff sack included. Sold as a pair.