A top choice of athletes, skiers, campers, hunters, anglers, spectators, construction workers, and more, the Yaktrax Foot Warmers provide a safe, long-lasting heat source so you can stay outside and enjoy the great outdoors longer.
Fits womens shoe size 9+ / mens size 8+
Includes 2 warmers per pack
Provides up to 5 hours of safe, natural heat
Air-activated and odorless
Contents: iron powder, water, salt, activated charcoal, and vermiculite