There is a slight stain on the left toe, but there are no functional problems with the upper or sole. Please check the images for other signs of use. ●Material: [Upper] Synthetic fiber [Outsole] Rubber sole [Actual size] ●Made in Vietnam ●Width: WIDE (equivalent to 3E) ●Inner sole material: Synthetic resin (EVA) / Replaceable ●Pronation: Neutral ●Race training (for those who run 1km in about 4-5 minutes) ●The LYTERACER has been renewed with the concept of "SPEED FIT & AGILITY HOLD". These racing shoes support the tough, speedy, and multi-faceted movements of club athletes in various events during their daily training. ●The newly installed shoelace holes, thin tongue, and 3D print on the entire upper allow for quick dashes, running, drills, and agile, intense movements such as reinforcement exercises. ●FLYTEFOAM Propel in the midsole provides excellent resilience. It quickly transfers the energy obtained from the impact of landing to the next step, supporting you to move forward even faster. ●TRUSSTIC technology is used to enhance stability. By reinforcing the center of the sole and increasing support, you can get a more solid running feel when kicking off the ground. ●A multi-trainer that combines the speed and toughness required for hard training. It supports club athletes as well as runners' races and training. ●Engineered mesh upper improves breathability ●FLYTEFOAM Propel improves cushioning and resilience ●AHARPLUS heel plug improves durability ●TRUSSTIC technology improves stability ●3D print improves upper durability and support