Hiker chukka style lace up ankle safety boot incorporating a padded collar, steel toecap, TPU/PU sole and a penetration resistant stainless steel midsole. Upper Design Fully lined, half knee pull-on safety boot. Upper Material Print buffalo leather. Stitch in nylon thread. Width Fittings Wide. Size 4 - 13 including 1/2 sizes. Standards Indonesia Standard SNI 7079:2009 Australian Standard AS/NZS 2210.3 Class S1 PSRC European Standards EN ISO 20345 class S1PSRC Singapore Standards SS105 American Standards ASTM F2413-05 M I/75 C/75 SDPR Insole Heavy-duty non-woven insole that is flexible and is antibacterial. Full Innersole