Endurolytes Extreme (120 Capsules) Bands With a universal fit

With a universal fit

Neofleece facemask blocks wind & cold

Built with Speedo's exclusive Endurance Plus fabric:

They come in handy on long transition runs too

Outlast temperature regulating fiber technology

Endurolytes Extreme (120 Capsules) Bands With a universal fitDesigned for the harshest conditions, as well as other variables that require higher amounts of specific electrolytic minerals, Endurolytes Extreme has you covered! With each capsule containing 300 mg of sodium chloride (salt) and 75 mg of potassium per capsule three times more than the original Endurolytes formula, yet still in a balanced 4: 1 ratio Endurolytes Extreme is guaranteed to resolve even the toughest electrolyte replenishment challenges,