The Yeezy Boost 380 "Blue Oat Non-Reflective" utilizes a sock-like Primeknit upper in a complementary blend of beige and orange tones. The sneaker"s signature translucent monofilament window stands out in a contrasting blue finish, complete with perforated detailing for improved breathability. The one-piece build rides on a full-length Boost midsole, surrounded by a semi-translucent cage and reinforced by a gum rubber outsole.