Kühler

Overheating is one of the quieter limits on hard training. Kühler takes aim at it with a simple premise: cool the palms, and you cool the body. The maker describes it as a next-generation device that uses patented palm-cooling technology to bring body temperature down efficiently, with the goal of improving training performance and speeding recovery.

How it is meant to work

According to the maker, the device regulates body temperature via the capillaries in the palms, delivering an immediate cooling effect and dissipating body heat efficiently. The company says the design draws on research in exercise science and physiology, and frames it as a way to prevent overheating during exercise so users can push harder. The source does not explain the cooling mechanism itself or list technical specifications.

Design claims

• Portable and lightweight, intended for use during training or after competition
• Built, the maker says, to withstand harsh environments and repeated use over the long term
• A simple interface intended to be intuitive to operate
• Positioned for fitness, sports, rehabilitation and relaxation

The maker outlines three main scenarios: during training, to limit rising body temperature and extend session length; after competition, to clear an overheated state quickly and accelerate recovery; and in everyday life, to provide cooling and relaxation in hot or stressful conditions. The target audience ranges from fitness enthusiasts to athletes and professionals.