K1 Berg "Swirly 10 Year Edition"Flight specs: Speed 1 Glide 1 Turn 0 Fade 2 Berg is designed for distinct shots, where you dont need to worry about the disc hoovering far passed the basket. It is perfect for windy days, fearless putts and distinct approach shots. The disc features an ergonomic thumb track which is prominent on the top side while not being noticeable at the bottom. This makes it feel very different from any other putter. Berg is Swedish for mountain.