GU Energy Gel Flask D1 stretchy fabric

stretchy fabric

wider field of view

The temple tips are telescopic

100% POLYESTER

Rapid replenishment of your glycogen stores and the provision of protein helps you to get the most from your training and prepare you for your next session

GU Energy Gel Flask D1 stretchy fabricWe teamed up with our neighbours at Hydrapak to design a customised soft flask with a high flow nozzle to make fueling for long efforts more convenient and less sticky. The Flask holds 5 Servings of Energy Gel and includes marks on the back to measure your fuel. Fill it with Energy Gel from our new 15 Serving pouches, fuel with it, and reuse it!