ZERO Ready To Drink, 20 oz, Wide Mouth Bottle, Grape no checkout and better balanced design for maximum and better balanced design for maximum performance and accessibility Xtreme Leverage Technology (XLT™) increases performance and reduces hand fatigue Laser heat treated cutting edges perform better and last longer Precision machined knife and anvil style cutting edges ensure perfect mating for superior performance and longevity Forged high carbon US steel for maximum strength and durability is specially coated for ultimate rust prevention self adjusting rubber nose pad for comfort Feature integrated diopters on both the top and the bottom for vision help when looking both up and down These safety readers have a 7 base curve Designed to restore important mineral salts and fluids lost through dehydration physical exertion and heat stress Half the sodium and more potassium compared to other electrolyte replacement beverages No sugar and no calories