Fat free. All the taste. Half the calories of regular potato chips. Made with Olean brand fat-free cooking oil. A new experience in taste! Lay's Wow Potato Chips have all the taste of original Lay's brand Potato Chips, but have no fat and half the calories. One taste and you'll know why we call them Wow. Product Comparison (One Ounce Serving): Lay's Wow! Potato Chips - 0g Fat; 75 Calories; 100% Taste. Regular Potato Chips - 10g Fat; 150 Calories; 100% Taste. How do we do it? Frito-Lay takes everything we know about making America's favorite potato chips, and makes Lay's Wow Potato Chips with Olean fat-free cooking oil. Olean is made starting with natural, farm-grown cottonseeds, and adds no fat or calories to chips. But that's not all. Everything that's put into Lay's Wow Potato Chips is specially selected to ensure that all snacks are the best you can buy. Wow chips are the only Frito-Lay snacks made with Olean. Wow chips are another great snack choice from Frito-Lay and one that lets you enjoy all the taste of the snacks you love with less fat and calories. Calorie content has been reduced from 150 to 75 Calories per serving.