Combines gel and foam for maximum pressure relief * Water-based gel insert provides pressure-relieving flotation * Cools to eliminate skin-damaging perspiration * Ample foam padding adds extra cushioning * Low-friction cover reduces skin shear * Moisture-wicking cloth cover keeps skin dry * Cozy Cloth cover for reduced friction and shear * Extra-wide strap with Velcro closure keeps cushion secure * Meets California 117B flammability standards *