Vionic Emerson Women's Active Sneaker. Spring into action with these lace-ups in suede and nylon. 1st Ray technology promotes stability and gait efficiency-while a pull tab at the heel makes getting in and out of these a cinch. Contoured footbed for addictive support. Orthaheel technology helps promote alignment from the ground up. Deep heel cup provides essential stability. Stylish and comfortable footwear that incorporates a podiatrist designed biomechanical orthotic.