Nerds Belt 550ml Soft Flask mizuno and magnesium—to help replenish what

and magnesium—to help replenish what you lose through sweat

minimizing bounce and chafing even during high-intensity activities

This drink mix is ideal for:

Q: Will this flask fit in my running belt or vest

Nerds Belt 550ml Soft Flask mizuno and magnesium—to help replenish whatHydrate on the Move Nerds Belt 550ml Soft Flask for Triathletes & Runners Product Overview Stay fuelled and hydrated during every run, ride, or race with the Nerds Belt 550ml Soft Flask. Designed for endurance athletes who need reliable hydration without the bulk, this soft flask fits perfectly in your run belt, vest, or hand, making it the ideal companion for triathlons, marathons, and long training sessions. Key Features Flexible, Space Saving