The Radar Three60 disc is a circle of fun that will keep you entertained for hours on the water. This round ripper is a blast and features a plastic base that allows it to carry incredible speed. The disc construction includes foam core which provides loads of stability and a wood stringer to increase support. Textured EVA soft top is comfortable for your torso, knees, or elbows, depending on how you choose to ride. 42" diameter.