The ThermoBall™ Pull-On Waterproof Boots will help keep explorers outside all winter long. The Thermoball™ insulation and cosy fleece lining will keep your feet toasty even when it´s damp. Then there´s the waterproof DryVent™ upper that´ll help keep snow and rain out. To top it all off, grippy rubber outsoles will help you stay on your feet even on slippery ground. Benefits: - Synthetic fill. - Waterproof. - Grip sole. - Synthetic insulation maintains warmth even in damp conditions. - This fabric provides an impenetrable barrier to rain and snow for guaranteed dryness. - Rubber compounds deliver grip, traction and durability on both wet and dry surfaces. Specifications: - Upper. - 100% Recycled P.E.T. Ripstop with a Non-PFC Durable Water-Repellent (Non-PFC DWR) Finish. - Sole Unit. - Rubber Outsole. - Sizes. - 12-5 (UK) / 31-38 (EU). Features: - Adjustable collar bungee for a secure fit and to help prevent snow from getting in. - Easy on/off design. - Thermoball™ 100% recycled polyester insulation helps keep feet warm even when wet. - The North Face® branded webbing pull loops on both sides for easy pull-on. - Low-pile fleece lining for added comfort. - UPPER: Made with 100% recycled P.E.T. ripstop with a non-PFC durable water-repellent (non-PFC DWR) finish for added water repellency. - SOLE UNIT: Rubber outsole for increased traction. - Synthetic mudguard helps keep out the elements. - Waterproof DryVent™ membrane. Intended Use: - lifestyle. Technologies: - Thermoball™. - Dryvent™. - Made from post-consumer recycled polyester, lightweight Thermoball™ effectively insulates in cool, damp conditions. - Seam-sealed two and three-layer DryVent™ fabrics are engineered to be waterproof, windproof and breathable.