Use the HeiQ V Block and HeiQ Smart Temp (Swiss Technology)
Built to block and protect and keep you cool
HEIQ V-Block NPJ03 is an intelligent Swiss fiber technology that is added to fabric during the textile manufacturing process.
And
HeiQ Smart Temperature - Activated CoolingIt reacts to your body temperature and level of sweat to keep you cool and comfortable.Its just like the thermostat on your mask.
- Made from cotton known for its softness, strength and lasting colors.
- Tencel Micro x Modal fiber with moisture wicking properties and 2x soft and 50% absorbent fabric.
- Accommodates facial movement.
- Designed for a wider range of application and protection
- Flexible nose clip and adjustable ear loops for fit.
- Interior fabric for temperature control and easy breathability for long and comfortable use.
- Reusable and washable