Dr. Scholl's Professional Series Work insoles use proprietary 3D-formed ballistic fabric material to provide puncture resistance from scrap metal, screws, nails and other hazards — without needing to invest in specialized footwear. The proprietary 3D-shaping of the ballistic fabric provides expanded coverage of the arch and heel area from punctures. Footwear Type: Insoles; Size Group: Men's Size 8 to 14; Materials: Ballistic Polyester Fabric; Thermoplastic Elastomer Foam; Color(s): Black.