All-terrain footwear with retractable spikes
Anti-skid boot having crampon
Anti-skid device for footwear
Antislip apparatus for footwear
Article of footwear with retractable protrusion
Articles with retractable traction elements
Athletic shoe with retractable spikes
Athletic shoe with retractable spikes
Athletic shoe with retractable spikes
Athletic shoe with retractable spikes
Convertible traction shoes
Convertible traction shoes
Footwear having retractable spikes
Footwear with deployable crampons
Footwear with manually extendable spikes
Golf shoe and its spike
Mountain-climbing shoes with non skid instrument
Pack boot with retractable crampons
Resilient, all-surface sole
Retractable spike system for a footwear sole