G3081 Insulated Boots Men's Size 13 Closure Type 420 Denier Nylon Ripstop Collar with Lace Tie Toe Type Torsional Steel Shank Material Torsional Steel Height 15 In. Black Upper Material Kevlar(r) Rubber Nylon Insulated Yes Midsole Material Rubber Insulation Type Removable Felt Inserts Outsole Material Rubber Footwear Sole Pattern Lug Standards ASTM F 2413-05 CSA Omega Shock Resistance CSA Class #1 Steel Toe/Plate 1 Pair