Endurance Fuel - Single Serving 12 Pack (Pre-Order) FLAVOURS:NAKED (UNFLAVORED) A sandwiched TPU StoneGuard™ helps

A sandwiched TPU StoneGuard™ helps with underfoot protection on rocky terrain while a stitch-and-turn collar and tongue construction are designed for lightweight comfort

This feature is designed to have the handle absorb and bend in a crash

altitude etc

optimal air pressure

Endurance Fuel - Single Serving 12 Pack (Pre-Order) FLAVOURS:NAKED (UNFLAVORED) A sandwiched TPU StoneGuard™ helpsEndurance Fuel mixes with water to meet all your calorie, hydration, and electrolyte needs, without upsetting your stomach or making your taste buds revolt. Just toss it into a bottle or hydration pack, shake, and GO! Complete calories, electrolytes, and hydration: Ditch the gels, chews, and salt pills and go all day with just Tailwind! No gut bombs: Stomach problems? Youll love Tailwinds Endurance Fuel! Tailwind contains glucose and sucrose the same