SLIP-RESISTANT OUTSOLES AND TOP: Our SRA rated slip-resistant outsoles are made from an exclusive rubber compound that grips the floor surface creating sure footing SRC: SRC is the highest rating for slip resistance under the EN ISO 20345-2011 standard and requires passing both the SRA and SRB tests TUFGRP: Next level traction on flat surfaces and uneven terrain / SRC rated to deliver next-level non-marking grip