Comfort insole technology and Lock Step Outsole™ create an ultra comfortable work loafer with polish. Oil-resistant, slip-resistant Lock Step Outsole meets SATRA TM63 and TM144 standards Leather upper/synthetic/rubber sole Imported Dr. Scholl's will plant one tree for every purchase of its product as a partner of the global reforestation nonprofit One Tree Planted This product meets Nordstrom Give Back criteria: A portion of the proceeds benefits people, animals or the planet through charitable giving