Union Ultra Snowboard Binding Introducing a new era of board feel—where comfort, response, and suspension work as one. The Union Ultra redefines board feel with a next-generation suspension system that flexes, rebounds, and absorbs impact with every movement. From baseplate to straps, every component is engineered to work in harmony—delivering a smooth, cushioned ride unlike anything you’ve felt before. Lightweight, responsive, and ultra-forgiving, the Ultra is snowboarding evolved. Asymmetrical Mini Disk Baseplate Union Exclusive Bushing Technology All-New Highback Design Ridden by: Arthur Longo and Gigi Rüf S11 Duraflex ST Baseplate By removing excess material in the toe and heel of the baseplate, and utilizing an asymmetrical shape, we've been able to drastically increase the torsional flex of the binding. The Ultra's S11 Duraflex ST baseplate allows for 360 degree board flex and feel. Flex Rating: 6/10