Product Info Catalog Safety Body, Feet & Head Footwear SZ13M Outline Boot SZ13M Outline Boot Request a Quote UPC: 677338602277 SKU: 230103 Model Number: P74087 13M Caterpillar, Size 13 Medium, Men's Outline, Oiled Full Grain Leather Upper Boot, Nylon Mesh Lining, Microfiber Sock Liner, Cement Construction, Slip Resistant, Electrical Hazard ASTM F2413-11 1/75 EH, C75.