How much funding has Eztia raised?

Eztia has raised $4.3M in total funding, most recently a seed round.

Who are Eztia's investors?

Eztia's investors include Shadow Ventures, Streetlife Ventures, Granite Ventures, Urban Future Lab.

Where is Eztia headquartered?

Eztia is headquartered in San Francisco, California, United States.

Eztia

Body Cooling Technology That Lowers Skin Temp 10°C

San Francisco, United States · Founded 2022 · $4.3M raised

Healthcare

Headquarters: San Francisco, California
Employees: 1–10
Founded: 2022
Business Model: B2B

Website: eztia.health
Total Funding: $4.3M
Last Round: $4.3M SeedOct 2025
Rounds: 1

About

Eztia (also known as Eztia Materials) develops proprietary water-activated cooling technology for wearables and materials science applications. Their flagship product, HydraVolt, is a gel-based material that integrates into existing clothing and gear — shirts, bodywraps, headbands — and reduces skin temperature by up to 10°C for eight hours of strenuous activity. It requires no batteries, refrigeration, or electricity, recharging with any water source. Eztia targets defense, construction, sports, and cosmetics markets, and was co-founded by physician and MIT alumna Tiffany Yeh alongside materials engineers.

Summary

Eztia is a Healthcare company based in San Francisco, United States, founded in 2022. It has raised $4.3M in total across 1 round, most recently a $4.3M Seed round in Oct 2025. Investors include Shadow Ventures, Streetlife Ventures and Granite Ventures.