Shell: 100% Polyester

Nitrogen purged

IMPACT is appropriate for extended periods of time in extreme cold weather

Insulation: WarmFlight® x3

Children Sorel Flurry Boot Lanterns Shell: 100% PolyesterPerfect for deep snow. Waterproof upper, felt inner boot for warmth, and multi directional lug sole for steady grip. Easy on and off. UPPER: Durable water and wind resistant PU backed synthetic textile upper. Built in gaiter with barrel lock closure system and fixed elastic instep strap INSULATION: Synthetic insulation. Removable 6 mm washable recycled felt inner boot MIDSOLE: 2. 5 mm bonded felt frost plug OUTSOLE: Injection molded waterproof thermal