M=standard width.- Round toe- Lace-up vamp- Leather construction- Oil-resistant, slip-resistant Lock Step Outsole meets SATRA TM63 and TM144 standards- Dri-Lex moisture wicking lining- Aegis Microbe Shield control odor- Vented sock for breathability- Lightweight SEBS midsole- ImportedMaterialsLeather upper, rubber sole