Union Rosa Snowboard Binding - Women's: The union rosa binding is a new style for 2012-13. It is a simple binding for the rider who is looking for a simple, comfortable, light, responsive day to day all over the mountain ride. Built on the flite platform, the rosa binding from union utilizes trickle down technology. the rosa high-back and straps are proven favorites within the union collection. Along with all other standard features and warranties, the rosa binding can be as easy or tough as you need it to be.