Specifications include, but are not limited to: 2.1 General Design 2.1.1 14” Pull-On boot, black flame-resistant and water-resistant leather, double-stitched leather joining seams, webbing pull straps, leather collar, and padded leather flex joints in the shaft above vamp and heel. 2.1.2 Liquid and chemical resistant breathable bootie liner, cut-resistant and thermal protective bootieshield liner. 2.1.3 Composite safety toe cap, composite shank, composite penetration-resistant insole barrier, molded shin guard, flame-resistant synthetic rubber molded cup outsole and toe bumper, 3D lasting board. 2.1.4 Molded heel counter, internal heel fit system, and removable molded footbeds. 2.2 Slip Resistance 2.2.1 Boots must provide superior performance in dry, wet, and frosted ice conditions. 2.2.2 For maximum slip resistance each outsole shall have Siping lines. Siping lines cut into flat areas open up when flexed to provide additional traction on water and ice. The boot shall also include self-cleaning lugs and an omni-direction tread pattern designed for superior performance in all terrains and when working on ladders. 2.3 Flexibility 2.3.1 Boots must reach the Maximum Flex Angle of 50 degrees without exceeding the critical bending moment with a resulting stiffness index not to exceed 10.0 as detailed below to provide maximum flexibility. 2.4 Leather 2.4.1 Boots shall be made from heavy-duty, flame-resistant and water-resistant full-grain cattle hide leather measuring 2.0 – 2.2 mm of thickness for durable tear and puncture resistance. 2.4.2 Tumbled full-grain cattle hide leather shall be utilized in the collar and flex areas for mobility. 2.4.3 The leather shall be chrome tanned to withstand high temperature with minimal shrinkage, retanned to impart water resistance and low water absorption, and finished to retain maximum breathability. 2.5 Footwear Fabric 2.5.1 A full-height, full sock, bootie liner made from a package of Omaha lining fabric, 300g felt insulation, and CROSSTECH® moisture barrier shall be provided for a waterproof and breathable moisture barrier as well as thermal protection as defined by the specified NFPA standards.
