Extreme Warm JR Black/Charcoal

Extreme 2.0 is a warm thermos boot full of smart details. Extreme is approved by the German organisation TÜV SÜD, which inspects products and issues product certifications in safety and sustainability. Thanks to a polyurethane construction with an adjustable cuff closure, the Extreme 2.0 is waterproof, lightweight and comfortable for all-day wear. Made from a flexible polyurethane called Elastopan®, which is 100% PVC-free, it contains millions of tiny air bubbles and is 4% lighter than PVC or rubber. Viking thermal boots provide 2.5 times more insulation than standard PU boots and are twice as durable. Using a wool and polyester lining, the Extreme 2.0 can effectively insulate children's feet down to -20°C. The sole of this boot is made of TPU, which is slightly heavier than PU, but has excellent wear and non-slip properties. To block wet, snowy,