Size 11 16", Black, PVC, Knee Plain Toe Boot, Equipped With Non-Slip Safety Loc Sole For Added Traction & Safety In Wet Conditions, Steel Shank Provides Firm Arch Support While The Removable Cushion Insole Provides Excellent Comfort, Abrasion Resistant Nylon Lining Makes It Easy To Slip On & Off, Waterproof.