kayak
Long narrow closed boat with a round hull that provides stability and maneuverability; it is propelled with a double-bladed paddle in a seated position.
spray skirt 
Flexible waterproof part that is attached around the opening; it fits snugly around the kayaker’s waist to prevent water from entering the boat.
double-bladed paddle 
Instrument with two curved oar blades that are attached to a handle; it propels and steers the kayak by paddling on alternating sides of the boat.