US Patent 7140679 Light-weight snowmobile seat

A snowmobile seat with a substantially rigid foam base disposed over a track tunnel of a snowmobile. A flexible seat section is disposed over at least a portion of the rigid base. The flexible seat section is formed of an open cell foam that is different than the substantially rigid foam base, and has an upper surface. A seat cover covers at least a portion of the flexible seat section and extends under the rigid foam base to cover at least a portion of the rigid foam base. At least one fastener is disposed on a portion of the seat cover extending under the rigid foam base to removably secure the seat cover to the snowmobile.