This design is lightweight, and is especially suited to freestyle boarding. Union offers a lifetime warranty on this base. The anodized aluminum heelcups are 30% stronger than non-anodized heelcups. The EVA (Ethyl Vinyl Acetate) bushings provide some dampening, as well as board flex. The aluminum buckles of the Danny Kass bindings have a simple design that allows you to tighten up and get going quickly. The Union Danny Kass snowboard binding comes in a royal purple color, with a velvet finish.