NEW Masterson RBG411 Mens 6D Composite Toe Safety Boot. EH 。Masterson Boot Co work boots offer durable protection and comfort for demanding environments. Constructed with a pebbled brown leather upper and a padded black collar, these boots feature a composite safety toe and meet ASTM F-2413-18 standards for electrical hazard protection. The rugged dual-density rubber outsoles provide excellent traction, while the lace-up closure ensures a secure fit. Designed with an extra wide (EW) width, they accommodate broader foot shapes for all-day wearability.