When you exercise in the heat, your body diverts resources away from performance and toward temperature regulation. The consequences are measurable — and manageable.
Rising core temperature increases cardiovascular strain and reduces oxygen delivery to working muscles — accelerating fatigue onset and limiting how long and how hard you can perform.
Heat stress affects cognitive function and decision-making — critical in technical or tactical sports where precision, reaction time and judgement are as important as physical output.
Fluid losses through sweating reduce blood volume and impair thermoregulation — compounding performance loss over time. When the body remains in an elevated thermal state after effort, physiological recovery is delayed, affecting readiness for the next session or event.
📖 A comprehensive peer-reviewed review confirms that endurance performance is meaningfully impaired in hot versus cool conditions — with the impairment growing as event duration increases. Cooling strategies including cooling vests are identified as among the most effective and practical interventions available. Périard, Eijsvogels & Daanen, Physiological Reviews, 2021
Training in heat room for the hottest Olympic games ever in Tokyo, heat and humidity affect athletes. Report by RTL Nieuws (Netherlands) and their journalist Eelco Hilterman (July 2021). Pre-cooling athletes & ice vest.

INUTEQ has been the official cooling supplier to Team Visma | Lease a Bike since 2017. The team used INUTEQ cooling vests throughout the 2025 Grand Tour season — including the Giro d'Italia, Tour de France and La Vuelta — for pre-cooling and recovery during high temperature stages.

In collaboration with Adidas, INUTEQ developed a custom cooling vest for F1 drivers including George Russell and Kimi Antonelli for precooling and recovery. With cockpit temperatures reaching 55–60°C, precise thermal management is essential to driver performance and safety.

Athletes at the Tokyo Olympics — described as the hottest Games on record, with temperatures exceeding 35°C and 50% humidity — used INUTEQ cooling vests for pre-cooling and recovery.
Team Visma | Lease a Bike has chosen Inuteq and its personal cooling vests and accessories for its Riders. Discover their approach by Mathieu Heijboer, Head of Performance. pre-cooling athletes & cooling vests for athletes
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INUTEQ cooling vests and accessories — non-toxic, easy to use, and effective in any environment. Work, sport, PPE or everyday comfort. 📞 Call us or email us — we're here to help you find the right solution.