Timberland PRO Direct Attach 6 Inch Steel Toe Boot Product Description These insulated waterproof leather boots are made using direct-attach construction for a watertight seal thats guaranteed to keep feet dry and comfortable. Our steel toes meet ANSI Z41 PT99 safety standards and feature a roomier steel toe box than most other boots for a more comfortable fit. Lightweight high-lofted quick-drying moisture-resistant Thinsulate¢â insulation keeps feet warm in any weather. Our workboots with Electrical Hazard Protection meet ANSI Z41 PT99 standards to provide protection from open circuits. Removable contoured polyurethane sockliner for lightweight comfort and a lightweight PVC midsole for cushioning. Definitions ANSI Midsole Polyurethane Insulated Leather Steel Toe Thinsulate Toe Box Fit: This style tends to run small. For an accurate fit we recommend purchasing a 1/2 size larger than you typically purchase. For example if you normally purchase a size 7 we recommend purchasing a size 7 1/2. Upper: Nubuck