Insulated with innovative PRIMALOFT® Black ThermoPlume® technology, the synthetic fill that mimics down to provide an incredibly lightweight and warm slipper that performs even when wet or damp.Features:- Tough Hypalon Sole and side walls- Foam sole unit- Rear pull loopConstruction:- Pertex® Quantum Outer- Primaloft® Black Thermoplume® Insulation- Brushed Microfleece LiningSpecifications:Materials:- Outer: 100% Nylon, Main Insulation: 100% Polyester, Inner Sole: 100% Ethylene-Vinyl Acetate, Lining: 100% Polyester, Sole And Rand: 100% Polyeurethane- Weight: 160 g