OUTAD Traction Cleats/Crampon for Snow and Ice size can be easily adjusted by double row of rivet studs. Abrasion resistant with 14 multi-directional enhanced aluminum alloy spikes, ideal for walking, hiking and running on snow-packed trails Length of spikes is designed for maximum stability. Easy on/off, pocket size with a net bag to carry easily TPR rubber with great elasticity and durability,fit well with foot wear Low temperature tolerance