seems the rain skirt is just short of the skirt to go around the edge of the Kayak cockpit to keep the boat from taking on water
and so the eskimo roll is not a kayak sinking. ..
FWIW, I Own this ..
http://www.rivbike.com/product-p/ar1.htm
stay perfectly dry underneath , though rain trousers help when the rain is not coming straight down,
Or I'm moving thru it.
Mudguards on the bike are essential .