Integral to the collection, the ‘Natural’ sole design has been developed to be a natural extension of the body with a broad stable footbed and comfortable toe shape. Retaining Bata Industrials unique Tunnel System® in the heel the ‘Natural’ sole design also features cushioned dual density polyurethane soles on the outside and PU cushioned insoles on the inside. Surety and comfort under foot are fully optimized in the new Natural collection from Bata Industrials.