Cooling cap that fits inside your own helmet or hat. Fill with water - evaporation cools the head. No battery or electricity required, safe for explosion-proof areas.

AT9001 is an Aqua Water Inner Cap (2025 Model) worn inside your own helmet or hat. Just fill with water and wear - evaporation cools the head. With no batteries or electricity required, it is safe for explosion-proof areas and sites with limited power access. Free size fits a wide range of head sizes, supporting heat-stroke prevention for workers who must wear helmets - in construction, manufacturing, logistics and more.
Reduce heat buildup inside helmets. Water-only operation, no power needed.
For factory lines requiring helmet use - reduce head heat buildup.
No batteries or electricity - safe to use in explosion-proof environments.
For summer helmet work - just refill water as needed.
For long outdoor shifts wearing helmets or hats.
For long outdoor shifts - cool the head with water only.
Quotes and implementation support - feel free to contact us.