Gu Softflask Nutrition Flask

Gu partnered with Hydrapak to design customized soft-flasks built for endurance athletes. The 150 ml flask makes fueling more convenient and less sticky, holding up to 5 servings of Energy Gel (or 3 Liquid Energy Gels).The 500 ml flask is designed to fit seamlessly into running vests perfect for mixing Roctane Energy Drink Mix or Hydration Tabs on the go. These flasks features a high-flow nozzle for quick sips when you need them most.