- Enjoy up to 10 hours of continuous warmth with Bramble S0295 foot warming insoles. - They activate within minutes upon contact with air, providing fast and effective heat in any situation. - Their slim and ergonomic design allows for a comfortable fit in any type of footwear. - Perfect for outdoor activities such as skiing, walking in the snow, or for keeping comfortable at home. - Made with high-quality materials that ensure safety and effectiveness without the risk of burns.