Rocky Unisex Alphaforce Composite Toe Waterproof Work Boots 。Size 4.5 w men’s size 6w womens Product details Top highlights About this item Fabric type 100% Leather Origin Imported Sole material Rubber Shaft height 8 About this item Defined heel 8 Inches in height Side Zipper for Easy On and Off Full-grain leather upper Rubber Outsole is Non-Marking ASTM F2413 Electrical Hazard Standard Description Product Description Durability, safety, and comfort... all of these factors were considered when Rocky constructed AlphaForce Zipper Composite Toe Duty Boots. To create a durably tough exterior, Rocky used full-grain leather and 1000 denier nylon (superior strength). A side zipper allows.