Immersion Research Lucky Charm Skirt is their newest rand-style skirt. This skirt is made to fit wider cockpit rims, like Jackson kayaks. It has a new "fin" style rand to keep out water. There is an improved high-viz grab handle. This model is trickier to get on a rim than a bungee skirt, but with this skirt there is no need to worry about implosion. This is perfect for kayakers who are hard on skirts.
Rubber rand skirts can be difficult to put on, which is why getting the right fit is important. To find out what size you should get measure the circumference of your cockpit rim.