Hot Shots Foot Warmer Insoles - Self Heating Insoles for Cold Weather, Winter Boots & Outdoor Activities - Perfect for Skiing, Hiking & Snowboarding

Use while skiing, snowboarding, bicycling, horseback riding, fishing, hunting and many other outdoor activities. Simply remove the paper backing and place the adhesive side of the Toe Warmer on the outside of the sock, at the bottom of the toe area.

Features

• Instant heat that lasts up to 8 hours.
• Designed to operate in a low oxygen atmosphere such as boots and shoes.
• Clean, safe, odorless, dry & non-toxic heat source.
• No kneading or shaking necessary.
• Just open package and expose to air.
• Average temperature 36°C when used as directed.