This is the popular Nike Free Flyknit 4.0. Released in 2013, this initial model is a running shoe that combines a lightweight and incredibly fitting Flyknit upper with a Free sole designed to feel like you're running barefoot. It's a popular choice for training, as well as for everyday wear and as a fashion item. 【Size】US 7.5 / UK 6.5 / EUR 40.5 / 25.5cm 【Product Number】615805-016 【Color】Black × Red 【Manufacturing Date】February 2013 (Made in Vietnam) Although there is some wear and tear, they are still wearable. Recommended for those looking for this rare initial model. Used indoors. There are some scratches and stains. Main color: Red Please check the current condition and understand that this item is stored at home and inspected by an amateur before purchasing.