Dr. Scholl's Professional Series Work insoles use our 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.The insoles feature our famous Dr. Scholl's ergonomic contour foot bed and arch support, proven to provide all-day comfort. The dual-layer insole features a top layer of our Gel-Foam for added comfort.