Servus Men's Comfort Technology Soft Toe Work Boots - CT (Comfort Technology) offers a unique scalloped top-line design for an all day hard working pair of boots. PVC material; 16in (40.6 cm); Soft toe; Trac10(TM) sole design engineered to reduce slips & falls; Contour heel cup molding; Removable Foot Form contour cushion insoles; Seamless; 100% waterproof; American Society of Testing and Materials - ASTM F2413-11; ANSI Z41-1991 - OSHA 1910.136 states; Style: 18822;