FXD WB.3 NITROLITE PREMIUM LEATHER WORK BOOTS ARE HIGH PERFORMANCE WORK BOOTS FEATURING OUR NITROLITE MIDSOLE TECHNOLOGY FOR ALL DAY COMFORT. THE WB.3 IS AUSTRALIA AND NEW ZEALAND SAFETY STANDARD COMPLIANT AND THE BONDING AND COMPOSITE TOE HAVE BEEN TESTED AND CERTIFIED BY BENCHMARK PRODUCT CERTIFICATION. + Upper material: Premium Pull Up Leather+ NITROLITE Proprietary Phylon midsole cushioning material+ Slip, oil, heat resistant 62 durometer rubber outsole+ AS 2210.3:2019 Personal Protective Equipment Safety Footwear+ High density 67 durometer green heel insert for increased durability+ Poron midsole insert for additional heel cushioning+ Ventilated, antimicrobial PU footbed, sculpted for correct arch support+ Lightweight composite safety toe+ Abrasion resistant ballistic thread on all stitching+ Protective TPU heel kick panel+ FXD embossed DURA500 advanced nylon and polyurethane canvas collar+ Nylon heel tab+ Padded Achilles support+ Coolmax engineered lining is moisture wicking and accelerates drying SIZING CHART BOOTS SIZE CHART US Mens US Womens EU UK Japan 5 6 37 4 23 6 7.5 38 5 24 7 8.5 39 6 25 8 9.5 40.5 7 26 9 10.5 42 8 27 9.5 11 42.5 8.5 27.5 10 11.5 43 9 28 10.5 12 44 9.5 28.5 11 12.5 44.5 10 29 11.5 13 45 10.5 29.5 12 13.5 46 11 30 12.5 14 46.5 11.5 30.5 13 14.5 47 12 31 14 15.5 48 13 32