E4402 Knee Boots Men's Size 12 Closure Type Pull On Toe Type Steel Metatarsal Guard Yes Shank Material Steel Height 16 In. Black/Yellow Upper Material NBR Rubber Insulated Yes Midsole Material Nitrile Insulation Type Cotton Outsole Material Nitrile Footwear Sole Pattern Lug Waterproof No Resists Oil Slip Chemical Standards ASTM F2413-05 MT/75 1 Pair