How long does the ZAMST Ice Vest stay cool?

It maintains a cooling surface temperature of 4°C to 10°C for about 4 hours in a 40°C environment.

Does it require batteries?

No, it is battery-free and uses ice packs.

Follow the product manual; the vest part may be washable (details not confirmed).

New Cooling Vest with Ice Packs 'ZAMST Ice Vest' Launched June 8 for Use During Sports and Spectating in Hot Environments

Key facts

New Cooling Vest with Ice Packs 'ZAMST Ice Vest' Launched June 8 for Use During Sports and Spectating in Hot Environments
Nippon Sigmax Co., Ltd. launches the 'ZAMST Ice Vest', a battery-free cooling vest with multi-layer insulation sheets that maintain cooling for about 4 hours in 40°C environments, on June 8.
Source: PR TIMES
Date: Mon Jun 08 2026 22:00:02 GMT+0900 (Japan Standard Time)

Direct answer

Nippon Sigmax Co., Ltd. launches the 'ZAMST Ice Vest', a battery-free cooling vest with multi-layer insulation sheets that maintain cooling for about 4 hours in 40°C environments, on June 8.

Citation: New Cooling Vest with Ice Packs 'ZAMST Ice Vest' Launched June 8 for Use During Sports and Spectating in Hot Environments (Mon Jun 08 2026 22:00:02 GMT+0900 (Japan Standard Time)), PR TIMES
Source: PR TIMES
Date: Mon Jun 08 2026 22:00:02 GMT+0900 (Japan Standard Time)

AI Summary (NQ-processed)

Nippon Sigmax Co., Ltd. launches the 'ZAMST Ice Vest', a battery-free cooling vest with multi-layer insulation sheets that maintain cooling for about 4 hours in 40°C environments, on June 8.

AI Analysis

Frequently Asked Questions

Q: How long does the ZAMST Ice Vest stay cool?: A: It maintains a cooling surface temperature of 4°C to 10°C for about 4 hours in a 40°C environment.
Q: Does it require batteries?: A: No, it is battery-free and uses ice packs.
Q: Is it washable?: A: Follow the product manual; the vest part may be washable (details not confirmed).