The Plenum J-Max® Caliber 11-inch tall Men's pull on work boot is constructed for excellence. It features a rugged tan cowhide leather exterior with a simple stitch pattern around the collar and a square toe. The J-Max® Caliber™ orthotic inserts and Dri-Lex® insoles guarantee a comfortable fit and the composite shank adds support. The J-Max® Caliber™ Insert outsole provides traction as well as protection from up to 18,000 volts of open electrical currents. This style is proudly Handcrafted in the USA with imported materials.