Endurolytes Extreme (120 Capsules) Bands Built with Speedo's exclusive Endurance

Built with Speedo's exclusive Endurance Plus fabric:

Technology: X4P

Neofleece facemask blocks wind & cold

Compact and travel-friendly

They come in handy on long transition runs too

Endurolytes Extreme (120 Capsules) Bands Built with Speedo's exclusive EnduranceDesigned 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,