Nike Metcon Flyknit 3 Cross Training Shoe - Fit at Midlife。This Nike Metcon Flyknit 3 sneaker in True Berry is perfect for any athletic occasion. Designed for men with a US shoe size of 12, it offers both style and comfort. The sneaker is pre-owned but has been well-maintained for its next owner to enjoy. This sneaker is perfect for any Nike fan who wants to add a pop of color to their athletic shoe collection. The True Berry color is complemented by the sleek design of the sneaker, making it perfect for any athletic activity. Whether you\'re a gym-goer or a runner, this Nike Metcon Flyknit 3 sneaker will not disappoint.