Our 8 insulated field boot features DRYZ Intellitemp Phase Change Insulation Technology and patented double bootie construction. It also includes our waterproof GORE-TEX bootie and water-resistant, breathable full-grain leather upper. Waterproof/Breathable GORE-TEX Bootie Water-Resistant, Breathable Full Grain Leather. DRYZ IntelliTemp Phase Change Insulation Technology. Cambrelle Breathable Moisture Wicking Lining. Patented Double Bootie Construction. Shock Absorbing Polyurethane Midsol.