Imported Rubber sole The A.T.A.C. 2.0 8" Shield lightens things up but remains deadly serious about delivering superior safety in the most unforgiving environments. An added 5.11 SlipStream weatherproof, ASTM/CSA CARBON-TAC toe, and an ASTM/CSA puncture board provide critical protection. Full-length dual durometer Ortholite footbed works to keep your feet cool, dry, and comfortable all day every day. Another addition, the Achilles heel flex zone, gives a critical part of your foot more range of motion without compromising support and stability This boot is so tough, it can live up to the ASTM 2413-17 M I/75 C/75 EH PR standards, day in and day out. CSA Z195-09 rated for compression, cutting, abrasion, and electrical discharge protection Ortholite full length dual density insole with a bottom layer of Ortholite foam for better cushioning and rebound as well as a top layer of Ortholite Lazy recovery foam for a custom comfortable fit