The Vapormax REPS upper uses Flyknit weaving the upper, which is very breathable. When you run, you can reduce the calories to the greatest extent. In various shock absorption systems, it can be regarded as the lightest weight and good durability,VaporMax REPS is obviously more suitable for runners who run the back palm or full palm.Air Vapormax Reps is suitable for daily running. For fast running, you can choose other products.