Thermal Insulation Cotton for Footwear Aerogel Graphene Polyimide Fiber 3mm 5mm

This high-performance thermal insulation cotton series includes three premium materials tailored for footwear applications: aerogel insulation cotton, graphene insulation cotton, and polyimide fiber thermal insulation cotton. Designed to provide exceptional warmth, heat resistance, and lightweight comfort, these materials are ideal for winter shoes, safety shoes, outdoor boots, and high-temperature work footwear.