A day on the water can result in loads of sun exposure, so do yourself a favor and go with maximum protection! Simply the best aftermarket helmet visor system. The Salamander Beak easily attaches to any helmet (kayaking, biking, horseback riding, etc.) and stays there, even in the most demanding situations. It also flips up out of the way when needed. The Beak measures 9.75" wide and the depth of the bill is 3".