Propper Series 100® 8 Side Zip Boot Waterproof Comp Toe"Built for hazardous duty, the Series 100 Waterproof Comp Toe version includes a ASTM F2413-11 rated safety toe that meets or exceeds I/C 57 Impact and Compression Resistance and EH Electric Hazard. The waterproof leather and 1000D Cordura® upper can be pulled snug with the quick and easy NATO speed lace system. A special gusset behind the zipper helps keep water out while the triple density rubber foundation and an arch made from a durable compound will hold up to the rigors of fast-roping. The 100 Series is a great value in footwear. Propper footwear was designed for long lasting comfort and durability. All of our boots are based on true U.S. sizing to provide the perfect fit.