US$ 79.50
The Double Up Delta is the perfect blend of both boat and cable
with 2 layers of foam
With its simple base design
get yourself a Big Easy
keeping boards light and strong
2025 Radar Session Slalom Waterski 4 Person The Double Up Delta isThe Radar Session waterski is the perfect way to get yourself out and skiing for the first time or slow speed long line skiing. With an open water profile and a host of technology, the Session will allow you to ski effortlessly. The foundation of the Session is the wider profile of the ski combined with a shallower concave and a 1. 5" centre flat spot, creating the most stable ski in the Radar range, with the ability to edge with ease when you want