Women's winter boots by The North Face; 100% recycled P.E.T ripstop upper for durability; Water-resistant and element shedding upper; ThermoBall Insulation provides superior warmth; Plush faux fur collar for comfort; Drawcord and toggle fastening at cuff for a secure seal; OrthoLite footbed offers cushioned support under foot; Synthetic mudguard around base; Lightweight injection-mouled EVA outsole; Hard wearing Winter Grip rubber sole; IcePick temperature sensitive lugs on tread increase traction on slippery surfaces; Weight: 454g approx; ThermoBall technoloy offers insulation equivalent to sumptuous 600 fill down. This innovative technology uses clusters of round synthetic material to trap and retain heat in the small air pockets, therefore providing excellent warmth even when wet.