Colorado Buffaloes Women's Tank Top Milky Silk Black Open Back Kadyluxe Tank. It’s like your boyfriends favorite shirt, but better. Debuting the best lived-in vintage soft Buffaloes tank on the market, this KADYLUXE® MILKY SILK 92% Polyester/8% Spandex tank fits perfectly over a sports bra or lacey. The open back allows you to show off your backside and Colorado pride while flattering your body. Show of your CU spirit and stay cool while you exercise or during those early Buffaloes season games. Gear up with this awesome Colorado Buffaloes tank. Go Buffaloes!! Officially licensed Colorado Buffaloes fan gear.