Crafted in laser cut nubuck uppers that reduce weight and provide superior breathability, the light as a feather zero grand perforated trainer puts an of-the-moment athleisure spin on our traditional wing oxford. engineered for the foot's considerable demands, grand.os technology in the outsole is a thoroughly modern operating system designed to reduce weight, mimic your foot's natural flexibility and provide responsive cushioning throughout the course of your daily adventure. weather you pair with cotton joggers, leggings, or denim and a statement tee, this is a the true meaning of sport with style.