- Coller Beanie
The Brain Cooler Shields Athletes
High-intensity sports and training sessions can cause body and brain temperatures to rise, potentially affecting focus, reaction time, endurance and even causing short and long term consequences. The Cooler Beanie is designed to protect outdoor athletes from heat stress.
Weight
Ultralight
Active cooling
Heat-reducing layer
- The Problem
Keeping Your Brain Temperature Optimized
High-intensity activities can raise your core and brain temperatures to potentially dangerous levels—compromising focus, reaction time, and overall performance.
The Cooler Beanie is designed to help athletes maintain optimal brain temperature, supporting peak cognitive and physical performance alongside proper nutrition, rest, and hydration.
Whether you’re sprinting down the field or pushing through endurance drills, keeping your brain cool can give you a measurable edge.
- Made For Athletes
Built For Athletes Across Multiple Sports
From sidelines to start lines — engineered to support performance wherever heat is a factor.
Sport
Flag Football
Sport
Soccer
Sport
American Football
Sport
Baseball
Sport
Training
Sport
Running
Sport
Lacrosse
Sport
Pickleball
Sport
Tennis
- Cooler Beanie
Engineered For Performance
Crafted from technical, lightweight fabric with a sleek athletic profile — the Cooler Beanie is designed to be your go-to gear for hot-weather training and competition.
Associated Publications
- “Cognitive Functioning and Heat Strain: Performance Responses and Protective Strategies” (Sports Medicine, Springer): This review explores how heat strain, especially in outdoor activities, affects cognitive tasks such as decision-making, attention, and reaction time. Heat stress significantly impairs cognitive performance, leading to slower reaction times and poor decision-making in sports.
- “Heat, Hydration, and the Human Brain, Heart, and Skeletal Muscles” (Sports Medicine, Springer): This publication focuses on how dehydration and hyperthermia from outdoor heat exposure impact brain function. It highlights how brain circulation and metabolism are altered during intense physical activity in hot environments, affecting coordination and physical performance.
- “Emerging Environmental and Weather Challenges in Outdoor Sports” (MDPI): This review addresses the risks associated with heat exposure in outdoor sports, focusing on cognitive and physical impairments such as decreased coordination and reaction time.
- “Performance in the Heat: Physiological Factors of Importance for Hyperthermia-Induced Fatigue” (Comprehensive Physiology): This study discusses how hyperthermia affects athletes’ physical and mental performance, focusing on fatigue, muscle control, and cognitive impairments such as reaction time and decision-making.
- “Effects of Heat Stress on Cognitive Performance: The Current State of Knowledge” (International Journal of Hyperthermia): This paper reviews the impact of heat stress on mental functions, specifically how prolonged exposure to high temperatures leads to impaired focus, slower reaction times, and poor coordination in athletes.
- “Impact of Elevated Core Body Temperature on Attention Networks” (Cognitive and Behavioral Neurology): This study explores the effects of high core body temperatures on attention and cognitive function, showing how heat-induced cognitive decline directly impacts athletic performance.
- “Thermal Stress Models and Guidelines for Outdoor Sports” (MDPI): This article suggests improvements in current models to better predict and mitigate the effects of heat stress on outdoor athletes. It emphasizes the need for better heat management to prevent impaired cognitive and motor functions.
- “Alterations in Cognitive Performance During Passive Hyperthermia” (International Journal of Hyperthermia): This research focuses on how even passive exposure to heat, such as sitting in a hot environment, can significantly alter cognitive performance, including decision-making and coordination in sports.
- “Psychological Aspects of Military Performance in Hot Environments” (US Army Medical Research): This paper examines how heat affects psychological performance, offering parallels to sports environments where prolonged heat exposure impairs mental and physical abilities such as reaction times and decision-making.
- “Exertional Hyperthermia and its Effects on Physical Performance in Outdoor Sports” (Journal of Sports Science and Medicine): This paper highlights how outdoor athletes experience cognitive decline and physical performance issues like poor coordination and slower reaction times when exposed to exertional hyperthermia.
- Trusted by athletes & outdoor workers
Real results from real-world conditions
"Brain Cooler keeps me locked in during long games. I stay sharp from the first whistle to the final play. My stamina and focus have improved massively under pressure."
Darius T.
Flag Football Player
"I take Brain Cooler before every game. It helps me stay calm at the plate, react faster to pitches, and recover better between innings. It’s now part of my daily routine."
Marcus L.
Baseball Player
“As a trainer, I recommend Brain Cooler to all my athletes. It improves focus, reduces fatigue, and helps maintain peak performance during intense sessions and matches.”
Ryan M.
Strength & Performance Trainer