# ColdVest > ColdVest is a patented, portable emergency cooling device that rapidly lowers core body temperature to treat heatstroke in minutes — with no ice, refrigeration, or electricity required. It deploys in under three minutes by anyone, weighs less than 10 lbs, and stays cold for up to an hour. ColdVest is used by sports teams, outdoor and industrial workers, military personnel, schools, and emergency services. ## Key pages - [Home](https://www.coldvest.com/): What ColdVest is and how it works - [About ColdVest](https://www.coldvest.com/about-us): Mission, story, and full heatstroke FAQ - [Buy ColdVest](https://www.coldvest.com/products/coldvest): Product details, specs, and purchase - [Industries](https://www.coldvest.com/industries): Use cases by sector (sports, work, military, EMS) - [Research & Clinical Evidence](https://www.coldvest.com/research-study): The science behind rapid body cooling - [Blog](https://www.coldvest.com/blog): Heatstroke awareness, prevention, and safety - [Press](https://www.coldvest.com/press): Media coverage and news - [Contact](https://www.coldvest.com/contact): Support and team/bulk orders ## About the product - Product: ColdVest — Cooling Vest for Heat Stroke Protection - How it works: activates with water via patented endothermic cooling technology; no ice or power needed - Performance: lowers core body temperature by up to 10°F (e.g. 108°F to 104°F in ~22 minutes); stays cold up to 1 hour - Use: single-use; deployable in under 3 minutes; storable at any temperature while vacuum-sealed - Price: $550 USD ## Contact - Email: info@coldvest.com