Oil Resistant soles, mostly employed in safety footwear for professional use, are made of a special synthetic material intended to prevent slipping and to withstand long periods of time on oily surfaces without deteriorating.
About Wellingtons:
Wellingtons are slip on boots often made of waterproof synthetic materials or water resistant leather and used for walking on muddy or wet surfaces and to protect the wearer in rainy conditions.
Wellingtons often feature low heels with traction pattern rubber soles and uppers reaching just below the knee.