For caving, rappelling and rescue operations. Construction features a polyester sheath for heat, chemical and abrasion resistance, and nylon core for high tensile strength. KMIII static kernmantle rope is a balanced construction consisting of a continuous filament polyester cover braided over a uni-directional nylon core. KMIII is designed to meet the rigorous requirements associated with rescue and rappelling operations. KMIII is the only dual-certified static rope on the market (NFPA and CE).