Introducing the Mediaid Icing Gear Cool Vest: A Solution for Heat Stress in Safety-Conscious Work Environments

The Launch of Mediaid Icing Gear Cool Vest

On June 5, 2026, Japan SigmaX Corporation, headquartered in Shinjuku, Tokyo, will introduce the Mediaid Icing Gear Cool Vest. Designed specifically for labor-intensive environments that face strict safety regulations, this product features a cooling vest with ice packs that can maintain a temperature of 4°C to 10°C for four hours under extreme conditions. As the first specialized brand focusing on support gear, MEDIAID continues to innovate in thermal management solutions for workplaces.

The Rising Threat of Heat Stress in the Workplace

In recent years, the number of emergency transports due to heat stress has been on the rise, creating a pressing need for effective countermeasures in labor settings. Starting June 1, 2025, new regulations require workplaces to implement heat stress prevention strategies, with penalties for non-compliance. The Ministry of Health, Labour and Welfare has also emphasized the urgency for all workplaces to adhere to these guidelines. Despite these regulations, the statistics show a worrying trend; the number of heat-related casualties requiring over four days off work reached a record high of 1,803 cases in 2025. Particularly hard-hit sectors include manufacturing and construction, where high-temperature working conditions are frequent.

Factors contributing to this alarming trend include environments where dust and chemical dispersal prevents the use of fan-equipped clothing, as well as workplaces requiring explosion-proof measures. Traditional cooling methods, like ice packs, often come with limited cooling durations, emphasizing the need for better thermal management solutions. In response to the increasing demands for effective cooling solutions without compromising safety, Mediaid has developed the new Icing Gear Cool Vest.

Key Features of the Mediaid Icing Gear Cool Vest

1. Extended Cooling Efficiency

The vest incorporates a multi-layer insulated sheet around the ice packs, ensuring that even in a 40°C environment, the cooling effect remains effective for four hours. Additionally, the vest is designed to accommodate four ice packs strategically placed in the underarm and back areas, where heat stress typically manifests most prominently.

2. Battery-Free Design for Versatile Use

One significant advantage of the Icing Gear Cool Vest is that it requires no battery or heat exhaust mechanism. As a result, it can be utilized in various scenarios, including those where protective clothing is necessary or where there are stringent explosive safety protocols. Note that the designated ice packs require at least ten hours of freezing at -20°C before use.

3. Comfortable and Adjustable Fit

The vest is crafted from power mesh material, which permits a lightweight design while ensuring an optimal fit and comfort for the wearer, making it suitable for prolonged use in laborious work environments.

Product Information

The retail price for the Mediaid Icing Gear Cool Vest is set at ¥5,800 (tax inclusively ¥6,380). It comes in sizes ranging from M, L (chest circumference 84-102 cm) to LL (90-116 cm). The vest will be available for purchase on various online platforms starting from June 5, 2026. Here are some links to where it can be bought:

Towards a Safer Working Future

With a strong commitment to addressing safety challenges in the workplace, the MEDIAID brand expands its offerings through the Workers' Care initiative, launched in 2021 to promote better health outcomes for employees. Through its extensive range of products, including joint supporters, assistive suits, insoles, and heat stress management solutions, Mediaid aids businesses in navigating their occupational safety and health responsibilities while helping foster a culture of employee satisfaction and wellness.

About Japan SigmaX Corporation

Founded in 1973 and located in Tokyo, Japan SigmaX Corporation specializes in products that support physical activities. Their impressive portfolio includes various types of orthopedic supplies, rehabilitation products, and cooling systems. The company aims to enhance health and comfort for individuals, striving to develop and provide services that facilitate a healthier, more productive lifestyle through their MEDIAID brand offerings. As of March 2025, the company reported a revenue of ¥14.37 billion and employs 246 people, embodying their commitment to maintaining industry standards and enhancing quality in their products.